This page liststornadoes andtornado outbreaks which have touched down inCanada prior to the21st century. On average, there are around 80 confirmed and unconfirmed tornadoes that touch down in Canada each year, with most occurring in the southernCanadian Prairies,Southern Ontario and southernQuebec. Canada ranks as the country with the second most tornadoes per year, after the US. The most common types are F0 to F2 in damage intensity level and usually result in minor structural damage to barns, wood fences,roof shingles, chimneys, uprooted or snapped tree limbs and downed power lines. Fewer than 5% of tornadoes in Canada are rated F3 or higher in intensity, where wind speeds are in excess of 225 km/h (140 mph). Prior to April 1, 2013, Canada used a slightly modifiedFujita scale, and as of that date theEnhanced Fujita scale, again slightly modified, was put into use to rate tornado intensity, based on the damage to buildings and vegetation.^[1]

Each year on average, about 43 tornadoes occur across theCanadian Prairies and about 17 occur acrossOntario andQuebec.^[2]New Brunswick and theBritish Columbia Interior are also recognized tornado zones. All otherprovinces and territories have significantly less threat from tornadoes. The peak season in Canada is through the summer months, (June to August), when clashing air masses move north, as opposed to the spring season in the United States southern-central plains, although tornadoes in Canada have occurred in spring, fall and very rarely winter.

The reported increase in numbers of tornadoes in recent years may reflect more reporting by citizens and media involvement rather than an actual increase in tornado occurrence (although some natural increase has not been ruled out), in addition to better detection technology i.e.Dopplerweather radar andsatellite imagery. The upswing could also be attributed to other factors, such as improved aerial and ground damage assessment after the fact in sparsely populated areas (particularly the case in remote parts of the Canadian Prairies andNorthern Ontario, for example), better trained spotter capabilities and increased use of digital recording devices by citizens. Tornadoes in Canada are enough of a threat for apublic warning system to be in place, overseen by the national weather agency,Environment Canada (EC).

For a variety of reasons, such as Canada's lower population density and generally stronger housing construction due to the colder climate, Canadian tornadoes have historically caused fewer fatalities than tornadoes in the United States. The deadliest tornado in Canadian history, theRegina Cyclone of June 30, 1912, killed 28 and injured 300. Urban centres are not immune from the threat of severe tornadoes. Twelve medium to large size Canadian cities have been hit by significant strength tornadoes (F3 or higher), which caused large-scale damage and fatalities:Toronto (1868);Regina (1912);Windsor (1946 and 1974);Sarnia (1953);LaSalle (1956);Sudbury (1970);Woodstock (1979);Lloydminster (1983);Barrie (1985);Edmonton (1987);Aylmer (1994); andOttawa-Gatineau (1888 and 2018).

All figures for damages are inCanadian dollars.

1792

• June 30 or July 1 - the first recorded tornado in Canadian history, an F2, affected theNiagara Peninsula betweenFonthill andPort Robinson, Ontario. It levelled houses and uprooted many trees. The tornado cut a path of trees in a west to east line from both communities that became known as "Hurricane Road", which still exists today.^[3][4][5]

1795 or 1798

• ??? - an unrated probable tornado touched down nearPort Credit, Ontario.^[6]

1796

• ??? - an unrated probable tornado touched down nearCaistor, Ontario, passing through the townships ofGainsborough andPelham.^[7]

1823

• August 21 - an unrated tornado touched down nearCornwall, Ontario, and moved southeast intoNew York before strikingConstable, New York.^[8]

1826

• August 1 - an unrated tornado crossedLake St. Clair, moving throughChatham, Ontario, where extensive damage was done.^[9]

1828

• June 27 - an unrated tornado struckEastern Ontario in the area ofDrummond Centre, Ontario. The tornado destroyed barns and houses, carrying some far distances. An unroofed brick house was carried off its foundation. A strong stone house was partly destroyed. Trees on the third and fourth concession of Drummond Township were uprooted and damaged.^[10]

1829

• Late May - an F0 tornado struck and destroyed the early settlement ofGuelph, Ontario. Development on the settlement was slow to begin afterwards with some recalling little progress in the next three years following the tornado.^{[5][11][12][13]}

1831

• June 26 - an unrated tornado struckMontreal, Quebec, carrying the roof off the western tower of the New Catholic Parish Church and depositing on Notre Dame Street. Construction material was tossed around and various houses were destroyed. Damage was also done on Guy Street.^[14]

1832

• November 2 - an unrated probable tornado passed throughPeterborough, Ontario.^[15]

1833

• Summer Months - an unrated probable tornado passed throughPeterborough, Ontario.^[16]

1834

• June 21 - an unrated tornado passed over parts ofDarlington Township, Ontario.^[17]

1844

• June 12 - an F2 passed through the community ofHolland Landing, Ontario.^[18]
• August 7 - an F1 tornado struckGalt, Ontario. The first tornado-related recorded death occurred here when a tree fell onto a man.^[5][19]

1847

• June 12 - an F0 tornado touched down north ofGuelph, Ontario.^[20]
• August 6 - an unrated tornado touched down "a few miles north of Yonge Street" inToronto, Ontario.^[21]
• September 5 - an F2 tornado and a probable tornado struckOntario andQuebec. The F2 tornado struckCornwall, Ontario, and nearLancaster, Ontario. The tornado started nearMassena, New York, before crossing theSt. Lawrence River. The tornado was spotted crossing the river fromLong Sault, Ontario. InCornwall, Ontario, the tornado did significant damage to structures with the tornado destroying 3 houses, unroofing 8, and damaging another 9 or so. As for out-houses, the tornado destroyed 11, unroofed 13, and damaged many more. Debris was carried up to the three miles away. A young girl was thrown into theCornwall Canal and drowned, while her brother and another man escaped without injury. The tornado approached theSt. Lawrence River nearLancaster, Ontario, where it destroyed several other buildings and injured two.^[22][23] The probable tornado struckSaint-Édouard, Quebec, two hours after the first tornado. The storm lasted 50 minutes which is far longer than a normal tornado, however, the damage caused was the destruction of 57 buildings of various kinds. This tornado is listed as probable as the description is not fully clear on the event but the significant damage caused seems far greater than adownburst.^[24]

1848

• June 19 - an F2 tornado struckIngersoll, Ontario.^[25][26][27]

1849

• September 26 - an unrated tornado touched down in the northern half of the former municipality ofChinguacousy, Ontario.^[28]

1850

• July 5 - an F3 tornado touched down overLake Scugog, spending nearly 12 minutes over the water, before moving south intoCartwright Township, Ontario. Trees were snapped and twisted off while fences were blown down. Hail the size of hen's eggs occurred on the outskirts of the tornado. Into easternDarlington Township, Ontario, an entire forest was destroyed with hail larger than the previous size. A vast majority of livestock in the area were killed. Significant damage was done to homes and barns, alongside crops. The tornado was half a mile wide and tracked for 14 miles in length. Various people were injured with a range of severity.^[29] The towns ofManchester, Ontario,Enniskillen, Ontario, andHaydon, Ontario, suffered greatly.^[30]

1851

• July 18 - an F1 tornado touched down north ofWheatley, Ontario, striking the hamlet ofWindfall, Ontario.^[31]
• August 2 - an F0 tornado struckHecks Corner, Ontario, nearPrescott, Ontario.^[32]

1854

• April 25 - two tornadoes touched down in theGolden Horseshoe region ofOntario. The first tornado passed alongDundas Street inToronto causing F0-strength damage.^[33] A second unrated tornado touched down nearNiagara-on-the-Lake.^[34]
• July 11 - an F0 tornado struckToronto, Ontario.^[35]
• August 1 - an F2 tornado struckDunnville, Ontario.^[36]

1855

• April 18 - four F2 tornadoes touched down inSouthern Ontario. The first tornado touched down inGrey County, Ontario, nearMeaford, Ontario. The tornado moved eastward throughThe Blue Mountains, Ontario, before causing extensive damage inCollingwood, Ontario. A second tornado touched down inPort Dalhousie, Ontario. This tornado lifted before dropping again and causing F2-strength damage throughNiagara-on-the-Lake, Ontario. Finally, a fourth tornado touched down inWhitby, Ontario, moving throughOshawa, Ontario.^[37]

1856

• June 29 - an F3 tornado touched down nearEmbro, Ontario, around the community ofGolspie, Ontario, crossingHighway 59 (Ontario) just north of the northern edge ofWoodstock, Ontario, inEast Zorra-Tavistock Township, Ontario. The tornado destroyed various trees and chimneys while unroofing, damaging, and destroying numerous houses. The tornado continued to theParis, Ontario, andBrantford, Ontario, road junction where additional damage was caused. The most severe damage was done inEastwood, Ontario, which sits just east of theOntario Highway 401 nearWoodstock, Ontario. Two children and adult were killed with eight to ten additional injuries. The track of the tornado was roughly 10 miles long.^{[26][38][39][40][41][42][43]}
• July 21 - an unrated tornado touched down nearBrighton, Ontario.^[44]
• September 10 - an F1 tornado touched down nearKemptville, Ontario, resulting in some minor tree damage. The tornado continued eastward before strikingMountain, Ontario, andWinchester, Ontario, where trees were damaged, homes were unroofed, and fences were destroyed.^[45][46]

1857

• June 15 - an F0 tornado struckBell River Station nearWindsor, Ontario.^[47]
• July 19 - an F0 tornado struckGuelph, Ontario.^[48]
• July 31 - an F0 tornado struckToronto, Ontario.^[49]
• August 28 - an unrated tornado passed throughHamilton, Ontario.^[50]
• September 5 - an F0 tornado struckToronto, Ontario.^[51]

1858

• June 4 - an F0 tornado struckSt. Marys, Ontario, uprooting trees and destroying barns.^[52]
• July 21 - an F0 tornado struckWhitby, Ontario.^[53]

1859

• August 5 - an unrated tornado struckCharlottetown, Prince Edward Island, destroying trees and property. At least two people drown while a vessel with seven on board capsized. It is unknown if all on board died.^[54]
• August 10 - an F0 tornado struckBrockville, Ontario.^[55]
• September 11 - an F1 tornado struckRoss Township, Ontario.^[56]
• October 24 - an F0 tornado struckColdwater, Ontario.^[57]

1860

• May 26 - an F1 tornado touched down nearAurora, Ontario, and passed intoGormley, Ontario. The tornado caused extensive damage. This tornado is likely underrated.^[58]
• June 19 - an F0 tornado was observed southeast ofSarnia, Ontario near the hamlet ofOsborne.^[59] An unconfirmed tornado was also reported nearPicton, Ontario.^[59]
• July 11 - an F0 downed down nearDrumbo, Ontario before passing throughSouth Dumfries Township.^[60]
• August 7 - an F0 tornado caused considerable damage inManvers Township andOps Township, Ontario.^[61]
• August 30 - an F2 tornado struckCashmere, Ontario.^[62]

1861

• May 24 - an unrated tornado touched down north ofBrantford, Ontario, before moving southeast to the east of Brantford. The tornado did considerable amounts of damage to fences, barns, and homes in the area. The tornado did not appear more than 60 feet wide. At times, there were two distinct paths of damage in close proximity that would reunite into a single path.^[63]
• November 14 - an unrated tornado struckKingston, Ontario, andGarden Island, Ontario. The tornado unroofed weak buildings, damaged sheds, and destroyed fences.^[64]

1862

• May 2 - an F1 tornado struckLindsay, Ontario. This tornado is likely underrated.^[65]
• May 21 - an F1 touched down nearPort Dover, Ontario, and moved northeast towardsYork, Haldimand County, Ontario. This long-tracked tornado may have been multiple tornadoes.^[66]
• July 6 - an F0 tornado touched down nearLindsay, Ontario and tracked toPeterborough.^[67]
• July 22 - an F1 tornado struckGalt, Ontario.^[68]
• July 28 - an F0 tornado passed throughBarrie, Ontario, prior to becoming a waterspout overLake Simcoe.^[69]
• August 18 - a waterspout overBurlington Bay moved onshore causing F0-strength damage.^[70]

1863

• July 8 - an F0 tornado struckBelleville, Ontario.^[71]
• August 24 - an F0 tornado struckBrockville, Ontario, before becoming a waterspout over theSt. Lawrence River.^[72]

1864

• October 6 - two F0 tornadoes touched down inOntario. The first tornado touched down nearErin, Ontario, while the second tornado caused damage inRama, Ontario.^[73][74]

1865

• May 17 - an F0 tornado struckBoston, Ontario^[75]
• September 14 - an F0 tornado touched down on theSt. Lawrence River nearJohnstown, Ontario, prior to moving acrossDrummond Island, Ontario, and enteringNew York.^[76]

1866

• June 25 - an F2 tornado struckOil Springs, Ontario.^[77]
• July 13 - an F1 tornado touched down nearHornby, Ontario.^[78]
• July 22 - an F2 tornado struckGuelph, Ontario.^[79]
• September 14 - an F0 tornado touched down nearBrampton, Ontario, as a complex of severe thunderstorms passed overSouthwestern Ontario. Additional tornadoes may have occurred.^[80]

1867

• June 7 - an F0 tornado touched down nearBelwood, Ontario.^[81]
• July 28 - an F1 tornado touched down north ofWoodstock, Ontario.^[82]
• August 4 - an unrated tornado touched down nearPetrolia, Ontario.^[83]
• August 18 - two F0 tornadoes touched down inOntario. The first tornado touched down nearCumnock, Ontario, while the second tornado caused damage along a path betweenSmith Township andOtonabee Township.^[84]

1868

• March 16 - an F3 tornado struckToronto, Ontario.^[85]
• April 29 - an F2 tornado struckGoderich Township, Ontario, andStanley Township, Ontario, resulting in vast amount of damage to local properties and one injury. Damage was most notable inBayfield, Ontario.^[86][87]
• August 12 - an F0 tornado developed overGeorgian Bay and split into two vortices. The first vortex moved ontoNottawasaga Island, Ontario, just north ofCollingwood, Ontario, while the second vortex made landfall inCollingwood, Ontario.^[88]

1869

• June 20 - an unrated tornado touched down nearBirr, Ontario.^[89]
• July 10 - an F0 tornado passed throughPeel Township, Ontario, andGarafraxa Township, Ontario.^[90]
• July 20 - two probable tornadoes touched down inBritish Columbia. The first tornado touched down along theQuesnel River in the valley, nearQuesnel, British Columbia. The tornado was strong enough to knock over 18-inch in diameter trees and carry them long distances.^[91] A second tornado touched down nearWilliams Creek, British Columbia, carrying light materials some distance.^[92] These two tornadoes are only probable as they do mention smoke and fire with both situations, but if severe thunderstorms did cross a forest fire area and produce a tornado, the vortex could be able to spin up the smoke alongside carry debris and cause damage as described in the articles.
• Weeks before August 21 (on a Sunday) - one strong tornado or two smaller tornadoes touched down inSouthwestern Ontario. The source indicates that a tornado started a few miles west ofWoodstock, Ontario, and crossed through the city. The tornado caused immense damage, destroying over 740 panes of glass from the Canada Institute building, uprooting trees and levelling barns and sheds in "East Woodstock". The source discusses a second tornado throughMiddlesex County, Ontario, which may have been the origin for the first tornado. The description of this tornado claims that forests, fences, houses, and everything else were knocked down in the path of the tornado.^[38]

1870

• June 16 - an unrated probable tornado touched down in the Township ofEast Nissouri, Ontario.^[93]
• June 26 - an F0 tornado struck the townships ofHuntingdon, Ontario, andHungerford, Ontario.^[94]
• July 2 - an F0 tornado struckBobcaygeon, Ontario.^[95]
• July 14 - an F0 probable tornado struckWest Dumfries, Ontario, between the current day cities ofCambridge, Ontario, andBrantford, Ontario.^[96]
• July 16 - an unrated tornado touched down inMontreal, Quebec. It only lasted five minutes and destroyed everything in its path. There was one unconfirmed death.^[97]
• July 20 - an F1 tornado touched down inBelwood, Ontario, along a powerful squall line. Additional damage was reported throughoutSouthwestern Ontario.^[98]
• July 21 - an unrated probable tornado passed throughClear Creek, Ontario.^[99]
• July 24 - an F1 tornado struckChatham, Ontario.^[100]
• July 26 - an F1 tornado caused extensive damage nearSt. Marys, Ontario, in the townships ofBlanchard, Ontario,Downie, Ontario, andWest Nissouri, Ontario.^[101]
• August 29 - two F0 tornadoes touched down inOntario. The first tornado touched down nearMariposa, Ontario while the second tornado touched down nearUxbridge, Ontario.^[102]

1871

• May 25 - an F0 tornado touched down nearWardsville, Ontario.^[103]
• May 30 - an unrated tornado struckOrangeville, Ontario.^[104]
• June 27 - an F0 tornado struckArnprior, Ontario.^[105]
• August 15 - an F0 tornado struck theStratford, Ontario, approaching from the northwest and exiting to the northeast.^[106]

1872

• April 21 - an unrated tornado struckBluevale, Ontario. The tornado tore up trees, damaged barns, and shifted a house.^[107]
• May 27 - an F1 tornado passed throughHaldimand County, Ontario, striking the community ofCanborough, Ontario.^[108]
• July 1 - two F0 tornadoes touched down inOntario. The first tornado struckPrescott, Ontario. The second tornado struckHamilton, Ontario.^[109]
• July 4 - an F0 probable tornado passed throughMinto, Ontario.^[110]
• July 12 - an F0 tornado passed throughGloucester Township, Ontario.^[111]
• August 1 - an F0 tornado touched down inFullarton, Ontario, before moving intoBlanchard, Ontario.^[112]
• Before November 8 - an unrated tornado struckWestmorland County, New Brunswick, destroying houses, fences, and trees.^[113]

1873

• May 23 - two tornadoes touched down inEastern Ontario. The first tornado was a long-tracked F1 tornado which touched down nearLavant, Ontario, and moved east towardsGloucester, Ontario.^[114] The second tornado was an F2-strength tornado which passed fromPerth, Ontario, toSmiths Falls, Ontario.^[115]
• July 10 - an F0 tornado tracked northeast through woodlands inTuscarora Township, Ontario^[116]
• July 14 - an F0 tornado struckWallacetown, Ontario.^[117]

1874

• June 7 - an unrated tornado struckKemptville, Ontario. The tornado was short-lived and destroyed about $25,000 worth of property. Many buildings were destroyed including barns, sheds, stables, homes, and shops.^[118]
• July 16 -- an F0 tornado struckHarriston, Ontario.^[119]
• August 7 - an F1 tornado and a probable tornado touched down inOntario. The F1 tornado touched down nearMorven, Ontario, moving east towardsWilton, Ontario. The probable tornado struckBeamsville, Ontario.^[120]

1875

• May 8 or 9 - an unrated probable tornado struckFlos Township, Ontario, resulting in tree damaged, blown down fences, and damaged roofs. There is some uncertainty regarding whether or not this was a tornadic event given it mentions significant snowfall during the event.^[121]
• June 24 - three tornadoes touched down inOntario. The first tornado, an F2, struckBelmont Township, Ontario.^[122] The second tornado, an F2, struckBradford, Ontario, demolishing the town hall. The tornado resulted in one death and three injuries.^[123][124] The third tornado was unrated and touched down nearSarnia, Ontario, inMoore Township, Ontario. This tornado resulted in one death.^[125]
• July 29 - an unrated tornado struckSaint-Malachie, Quebec, andSaint-Nazaire-de-Dorchester, Quebec, alongside a hail storm which results in hail stones larger than eggs.^{[126][127][128]}
• September 3 - an F0 tornado struckSevern Bridge, Ontario.^[129]

1876

• April 14 - an unrated tornadoKingston, Ontario, causing significant damage in the city. Many buildings were demolished including a four-story building. Damage was most significant along Princess Street.^[130]
• July 25 - an F0 tornado passed throughSeneca Township, Ontario.^[131]

1877

• July 9 - an unrated tornado struckGalt, Ontario.^[132]
• August 15 - an F0 tornado touched down nearGourock, Ontario, just outside ofGuelph, Ontario^[133]
• August 31 - an unrated tornado touched down nearFort Wayne (Detroit), Michigan, causing damage to fences before crossing theDetroit River and striking the community ofSandwich, Ontario.^[134]

1878

• Before May 10 - a probable tornado touched down nearMount Carmel, Ontario.^[135]
• May 15 - an unrated tornado struckCentralia, Ontario. The Commercial Hotel was blown down.^[136]
• May 20 - three tornadoes touched down inWellington County, Ontario. An F0 tornado struckBelwood, Ontario^[137] while a second F0 tornado struckSalem, Ontario.^[138] The third tornado, rated as an F1, struckFergus, Ontario.^[139]
• August 8 - an F2 tornado ripped throughDummer Township, Ontario, nearNorwood, Ontario, destroying many properties.^[140]
• August 9 - an F1 tornado passed close toWarminster, Ontario, moving into the city ofOrillia, Ontario, where barns and homes were unroofed.^[141]
• August 16 - an unrated tornado struckGoderich, Ontario, during the morning hours. The tornado twisted the tops of fruit trees, stripped roofs of their shingles, and lofted debris into the air.^[142]

1879

• July 3 - an F2 tornado touched down nearParis, Ontario, before strikingHarrisburg, Ontario.^[143]
• July 11 - an F1 tornado touched down nearThornville, Michigan, before passing throughPort Huron, Michigan, andSarnia, Ontario. The tornado torn apart numerous buildings, filling the air with debris such as roofs, chimneys, and trees.^[144][145] Two people were killed in Michigan. Additional tornadoes may have caused damage inPetrolia, Ontario, andStrathroy, Ontario.^[146]
• July 29 - a probable tornado struckPort Burwell, Ontario, destroying trees, fences, and chimneys. Based on the description of the event, this could have been caused by adownburst, however, the article claims a tornado.^[147]
• August 6 - anF3 tornado touched down nearBouctouche, New Brunswick.^[148]

1880

• May 31 - an F3 tornado touched down inLambton County, Ontario, nearFlorence, Ontario. The tornado damaged and destroyed a number of homes, barns, and sheds.^{[149][150][151]}
• June 2 - an unrated tornado touched down inCanada, specific location unknown. The tornado blew down outhouses, uprooted trees, and killed livestock. Two men were killed.^[152]
• June 10 - two tornadoes touched downWellington County, Ontario. The first tornado, an F1, touched down nearArthur, Ontario, aroundRothsay, Ontario. The tornado moved east towardsGreen Park, Ontario.^[153] The second tornado, an F2, touched down nearLebanon, Ontario, and moved east toSalem, Ontario.^[154]
• Before June 22 - an unrated tornado touched down aroundNapanee, Ontario, before moving intoPrince Edward County, Ontario. The tornado caused great damage to buildings, fences, and crops.^[155]
• September 1 - an F0 tornado struckMinto, Ontario.^[156]

1881

• June 27 - an F0 tornado struckSt. Catharines, Ontario.^[157]
• June 28 - four tornadoes, an unrated, two F1s, and one F2, touched down inOntario. The first tornado, an F2, touched down nearMillbrook, Ontario, killing two and injuring many more. The second tornado, an F1, touched down nearErin, Ontario.^[158] The third tornado, an F1, touched down in the western half ofOrford Township, Ontario, nearMuirkirk, Ontario.^[159] The fourth tornado, which was unrated, touched down inCulross Township, Ontario, unroofing a barn.^[160]
• Before August 11 - an unrated tornado struckSt. Agathe, Manitoba, destroying a home and crops in the area.^[161]
• September 1 - an F0 tornado struckAberfoyle, Ontario.^[162]

1882

• June 18 - two F1 tornadoes touched down inBruce County, Ontario. The first tornado passed fromSaugeen, Ontario, to the northeast towardsPresqu'ile, Ontario, inGrey County, Ontario. The second tornado touched down a few miles east ofKincardine, Ontario.^[163]
• August 21 - an F0 tornado struckFergus, Ontario.^[164]
• September 9 - an F0 tornado did considerable damage to many properties inNewburgh, Ontario.^[165]

1883

• May 19 - an F0 tornado struckGoderich, Ontario.^[166]
• Before May 25 - an unrated tornado touched down inColborne Township, Ontario, resulting in torn trees, demolished fences, and damaged barns.^[167]
• July 4 - an F1 tornado struckMelville, Ontario.^[168]
• Before July 14 - an unrated tornado touched down inMedicine Hat, Alberta resulting in damage.^[169]
• July 21 - an F2 tornado touched down nearExeter, Ontario, causing a considerable amount of destruction. Hotels, churches, and houses were ripped apart with many other buildings sustaining roof damage.^[170][171]
• July 27 - three tornadoes touched down inOntario. The strongest tornado was rated as an F3 and caused a path of considerable damage betweenDerryville, Ontario andManilla, Ontario.^[172] The two other tornadoes were both rated F0s and touched down inLondon andToronto.^[173][174]
• August 1 - an unrated tornado touched down nearCannington, Ontario.^[175]
• August 22 - an F0 tornado struckOttawa, Ontario.^[176]
• August 30 - an unrated tornado touched down nearScotia, Ontario and tracked through rural terrain towardsNovar, Ontario.^[177]

1884

• May 15 - three tornadoes touched down in Ontario. The first tornado was unrated and touched down inWoodstock, Ontario, resulting in structural and tree damage in the southern end of town.^[178] The second tornado, an F0, touched down just south ofElora, Ontario, and moved betweenSpeedside, Ontario, andOustic, Ontario. The tornado destroyed barns, fences, and stables.^[179] The third tornado, also an F0, touched down nearGoldstone, Ontario, and continued east toAlma, Ontario, andOrton, Ontario. The tornado caused significant damage to many farmsteads. The tornado damaged a church and cemetery inMapleton, Ontario. This tornado was likely underrated with some documentation listing it as a suspected F4 tornado.^[180]
• June 24 - an unrated tornado touched down inShell River, Manitoba, resulting in considerable damage.^[181]
• June 28 - an F0 tornado struckStreetsville, Ontario.^[182]
• July 3 - an F0 tornado struckDorchester, Ontario.^[183]
• July 16 - an F0 tornado touched down nearLobo, Ontario, moving eastward towardsMelrose, Ontario.^[184]
• August 27 - at least one tornado struck betweenPortage la Prairie, Manitoba, andWinnipeg, Manitoba, resulting in unroofed buildings and crop damage. The first tornado struckWinnipeg causing significant damage to buildings. This tornado may have touched down outside of the city in the rural landscape to the west. The Weekly British Whig states that damage to some of the provincial towns was also severe with heavy crop damage while the Victoria Daily British Colonist states that the damage was in a narrow path with weak crop damage. Because of the difference in the event descriptions and the distance betweenPortage la Prairie andWinnipeg, it is assumed that there was likely at least one tornado with the possibility of more tornadoes that touched down.^[185][186]
• September 18 - an F0 tornado struckMono, Ontario.^[187]

1885

• Week before May 30 - an unrated small tornado struck northWinnipeg, Manitoba, destroying half a dozen homes and injuring many.^[188] The tornado briefly became a waterspout when it crossed the river.^[189]
• June 7 - three F0 tornadoes touched down inOntario. The tornadoes struck the communities ofPort Hope,Parkhill andSt. Thomas.^{[190][191][192]}
• July 12 - an unrated tornado struckStrange, Ontario.^[193]
• August 21 - an F0 tornado struck theMuskoka District, Ontario, nearSkeleton Lake, Ontario, causing a path of destruction. Trees were uprooted while roofs were lifted off of barns and homes. Two children were killed by falling trees.^[194][195]

1886

• August 5 - an unrated small tornado touched down nearGlenvale, Ontario, before moving eastward throughElginburg, Ontario.^[196]

1887

• April 1 - a small and probable tornado struckVancouver Island, specific location unknown. The tornado caused minor tree and telegraph line damage.^[197]
• July 16 - an unrated tornado passed throughOnondaga, Ontario, south ofOhsweken, Ontario. The tornado demolished fences and uprooted trees before damaging an outbuilding.^[198]
• August 23 - an unrated tornado struckLondon, Ontario, andIngersoll, Ontario, destroying numerous buildings, a large chimney from a Bell mill, and the roof of a gas works. Significant damage to trees, chimneys, and structures was also reported north of London.^[199][200]

1888

• June 6 - six tornadoes touched down acrossEastern Ontario andSouthern Quebec. The first tornado, an F3, touched down nearLanark, Ontario, before moving east intoOttawa, Ontario. The tornado levelled fences and barns nearLanark, Ontario, before affectingRochesterville, Ontario (current dayCentretown West, Ottawa) before affecting theBillings Bridge region andGloucester Township, Ontario. The tornado caused considerable damage to the St. Thomas Roman Catholic Church and many dwellings in the area. At least three people were killed from this tornado.^{[201][202][203]} The second tornado, also an F3, touched down nearSt. Raphaels, Ontario, before moving eastward toSt. Lambert, Quebec. The tornado caused significant damage, damaging many homes and injuring some. There are unconfirmed reports of three deaths from this tornado. The third tornado was unrated and touched down nearSainte-Justine-de-Newton, Quebec, prior to moving intoSainte-Marthe, Quebec. The fourth tornado was unrated touched down nearLa Prairie, Quebec. The third unrated tornado touched down nearEastman, Quebec, and moved intoSherbrooke, Quebec. The six unrated tornado struckLake Mégantic, Quebec.^{[3][204][205]}
• July 11 - six tornadoes touched down inOntario andQuebec. The first tornado was unrated and touched down nearBombay, New York, and moved towardsRockburn, Quebec. The second tornado was an F2 tornado that touched down nearMorrisburg, Ontario, and crossed intoCazaville, Quebec.^[206] The third tornado made a brief unrated touchdown nearLancaster, Ontario. This tornado killed one person. The fourth tornado was an F2 tornado that struckHagersville, Ontario.^[207] The fifth tornado was an F2 tornado that touched down inAylmer, Quebec, and passed intoOttawa, Ontario.^[208] The sixth tornado was an unrated tornado nearSaint-Esprit, Quebec.
• July 22 - an F0 tornado struckAlliston, Ontario, unroofing several houses and barns and tree damage.^[209][210]
• August 16 - an unrated tornado crossed fromSouth Glengarry, Ontario, intoSaint-Zotique, Quebec, and then ontoSalaberry-de-Valleyfield. It caused extensive property damage, killing nine people and injuring sixteen. It is considered the fifth deadliest tornado to ever hit Canada.^[211][212]
• August 26 - an F0 tornado struckWaterford, Ontario.^[213]

1889

• April 7 - an unrated tornado travelled 50 yards through theLast Mountain Lake (Saskatchewan) area, also known asLong Lake, Saskatchewan. The tornado destroyed many houses and barns.^[214]
• May 19 - an unrated tornado struck the camps of Rochester and Dorerty nearAntoine Creek, Ontario, resulting in tree damage. Two people were injured with one being taken to the hospital inMattawa, Ontario.^[215]
• July 13 - an F0 tornado struckMayfield, Ontario inPeel Region.^[216]
• July 21 - an unrated tornado passed throughDeloraine, Manitoba, with no further information provided.^[217]
• August 3 - an unrated tornado struckLorette, Quebec, and the northern portion of theSt. Charles Valley, Quebec, damaging barns, fences, and trees. The tornado was narrow.^[218][219]
• September 9 - an unrated small (and probable) tornado struck the south side ofLulu Island, British Columbia, causing no damage.^[220]

1890

• June 4 - an F1 tornado struckElora, Ontario.^[221]
• June 7 - an unrated tornado touched down nearSouris, Manitoba, overturning someCanadian Pacific Railway cars.^[222]
• June 11 - an F0 tornado hitMilton, Ontario, destroying fences and buildings. The tornado was 50 yards wide and extended for two miles across first, second, and third concessions ofEsquesing Township.^{[223][224][225]}
• July 25 - an F0 tornado struckMillgrove, Ontario, carrying a barn over 100 yards and destroying trees and crops.^{[226][227][228]}
• July–August - an unrated tornado struck near the Sandhurst School, north ofOak Lake, Manitoba, in the nowRural Municipality of Sifton. The tornado destroyed a pasture and house.^[229]
• August 6 - an unrated tornado stuckSainte-Anne Parish, New Brunswick, cutting a two-mile swath of damage, destroying thirty-one buildings.^[230]
• August 8 - an unrated tornado struckMontreal, Quebec, specifically overLake Saint-Louis, Quebec,Pointe Claire, Quebec, andDorval, Quebec. Eight water crafts were damaged with many houses and barns being damaged and destroyed. The tornado damagedDominion Bridge Company inLachine, Quebec.^[231][232]
• September 5 - an unrated small tornado struckVictoria, British Columbia. Minor damage to a fence was reported at.^[233][234]

1891

• Before June 23 - an unrated tornado struckSt. Andrews, Manitoba, damaging fences, uprooting trees and shattering buildings.^[235]
• July 14 - two F0 tornadoes touched down inWellington County, Ontario. The first tornado passed throughMount Forest, Ontario, whereas the second tornado passed throughElora, Ontario.^[236]
• August 9 - three or four tornadoes touched down inOntario. The first tornado, an F0, touched down nearDamascus, Ontario, and moved towardsBelwood, Ontario.^[237] The second tornado, an F0, struckHamilton, Ontario.^[238] The third tornado touched down north ofWaterloo, Ontario.^[239] An unconfirmed prorable tornado struckHuron County, Ontario, betweenHolmesville, Ontario, andClinton, Ontario. The probable tornado unroofed many barns and destroyed a windmill, trees were blown down, and a new constructed house was blown off its foundation.^[240]
• September 1 or 8 - an unrated tornado struckMount Forest, Ontario, coming from the southwest and moving towards the northeast with a funnel. The tornado caused tree damage and destroyed the roofs on one or two buildings. Significant damage was done in the country after it passed through the community.^[241]

1892

• April 25 - an unrated tornado struckOnondaga Township, Ontario, destroying everything moveable. Due to the lack of information and the referral of a 'Dakota cyclone', this is only a probable tornado.^[242]
• Few days before April 28 (likely April 25) - an unrated tornado struckBelleville, Ontario, causing buildings to be blown into pieces with extensive damage done.^[243]
• June 1 - an unrated tornado touched down in theCounty of Beauce, Quebec, destroying barns, trees, and fences.^[244]
• June 12 - an unrated tornado touched down inPort Arthur, Ontario, andFort William, Ontario, which now makes up the city ofThunder Bay, Ontario. The tornado caused tree damage, destroyed telephone and telegraph wires, and wrecked a new building under construction.^[245]
• June 14 - at least two unrated tornadoes touched down inQuebec andEastern Ontario, however, additional damage was reported which could result in upwards of six additional tornadoes. The first tornado hitSainte-Rose, Quebec, andSainte-Thérèse, Quebec. It is listed as the ninth deadliest tornado in Canadian history. Six people were killed and 26 injured.^[246] Additional damage was reported inLachute, Quebec, where the path was nearly a mile wide, however, it is unclear from any sources whether this is the same tornado as the first one or a probable concurrent tornado.^[247] The second tornado hit theTownship of Templeton, just east of theGatineau River causing significant tree damage. The tornado was half a mile wide.^[248] Further east of both of these tornadoes, significant damage was reported inActon Vale, Quebec, andUpton, Quebec, with a hundred homes destroyed and four deaths and a third tornado is probable.^[249][247] Five additional areas of significant damage were reported across the region. These damage areas could have been from tornadoes or from strong straight-line winds/downbursts at the result of weaker building structures, however, based on the amount of damage caused, probable tornadoes seem likely. The significant damage was reported inSt. Johns, Quebec, where two buildings and a large barn were destroyed, over theÎle d'Orléans, Quebec, where various houses and barns were blown down, inSaint-Augustin-de-Desmaures, Quebec (just east ofPortneuf, Quebec) where a man died after falling off the roof of a barn they were repairing, overLac Saint-Jean where heavy damage was also reported, and inRenfrew, Ontario, where a high school and six additional buildings were destroyed, including a home that was tossed more than 100 feet.^{[250][247][251][252]}
• June 17 - an unrated probable tornado touched down onWolfe Island, Ontario, causing tree damage.^[253]
• June 24 - an unrated small tornado touched down inMaidstone, Ontario, uprooting trees and unroofing barns.^[254][255]
• June 29 - an unrated tornado touched down inLondon, Ontario, destroying barns and orchards.^{[citation needed]}
• July 10 - an unrated tornado touched down inDouglas, Manitoba, killing one and levelling everything in its seven-mile path of destruction. The tornado was 100 yards wide. Cows, horses, and chickens were killed by the dozen.^{[256][257][258]}
• July 15 - four or five tornadoes struckOntario. The first tornado, an F0, struckCreek Bank, Ontario.^[259] The second tornado, an F0, struckMidhurst, Ontario.^[260] The third tornado, an F0, touched down nearBeaverton, Ontario, and moved throughRice Lake, Ontario.^[261] A fourth tornado, an F1, moved throughHastings, Ontario.^[262] A fifth probable tornado struckOtonabee Township, Ontario, resulting in significant damage to buildings, destroyed crops, and killed livestock.^[263]
• July 18 - two unrated tornadoes touched down inOntario, both causing damage. The first tornado, which is probable, struckHamilton, Ontario, destroying a pulp mill, killing two, and injuring many. A second tornado struckBeaverton, Ontario, destroying many houses, stables, fences, and crops. A number of buildings were entirely demolished with several people injured.^{[264][265][266]}
• July 23 - an unrated tornado struckHoward Township, Ontario, inKent County, Ontario, destroying barns, telegraph poles, fences, and trees. The tornado caused considerable damage on Howard Road and Talbot Street (present dayOntario Highway 3). Fruit and grain were completely destroyed.^[267]
• July 25 - an unrated tornado touched down inElderslie Township, Ontario, destroying many trees.^[268]
• July 27 - an F2 tornado destroyed structures inWiarton, Ontario.^[269]
• July 29 - an F2 tornado passed touched down nearOttawa, Ontario, before moving intoQuebec towardsTempleton, Quebec. This tornado passed through some the areas affected by the June 14th outbreak.^[270]
• August 8 - an unrated tornado struckManhattan Beach, Ontario, 10 miles (16 km) south ofBelleville, Ontario. The tornado caused tree damaged resulting in one fatality.^[271][272]
• August 9 - an unrated tornado and a probable tornado touched down inSouthwestern Ontario. The unrated tornado touched down nearPrinceton, Ontario, before moving towards and just south ofParis, Ontario. The tornado caused damage to telegraph lines and bridges, destroyed crops, and damaged buildings. Notable tree damage was reported throughoutBrantford, Ontario, but information is inconclusive to rule if this was part of the tornado or not. A probable tornado touched down in the vicinity of theRegion of Waterloo, Ontario, andOxford County, Ontario.^{[271][273][274][275]}
• August 17 - an unrated tornado touched down inO'Leary, Prince Edward Island, destroying three houses near the railway station and five dwellings and two barns on North Road. One person was killed.^[276][277]
• September 10 - an unrated tornado struckElginburg, Ontario, nearKingston, Ontario, where the roof off the Methodist church was tossed and several barns were destroyed.^[278][279]
• December 3 - an unrated tornado touched down inMontmorency, Quebec, destroying part of a church. Several barns and dwellings were destroyed.^[280][281]

1893

• April 4 - an unrated tornado struck parts ofLethbridge, Alberta, resulting in damage. The front of a local store collapsed.^[282]
• April 13 - a small tornado struckVictoria, British Columbia, from the north. No damage was reported.^[283]
• April 13 - an F0 tornado touched down nearGordonville, Ontario.^[284]
• April 20 - a probable tornado struckOwen Sound, Ontario, destroying fences, sheds, and outhouses. The tornado unroofed barns and homes. There is a lack of concrete evidence regarding this tornado. The newspaper also discusses significant damage in the vicinity ofMono Road, Ontario, which might be classified as a second probable tornado.^[285]
• May 23 - immense destruction was reported acrossOntario intoQuebec with sources indicating up to seven tornadoes. Various towns were impacted. The first tornado, an F2, touched down nearAurora, Ontario. The tornado destroyed a church steeple and caused significant damage.^[286] The second tornado, an F2, touched down nearTilsonburg, Ontario, destroying an oatmeal mill, killing one. The tornado caused significant tree damage alongOntario Highway 19 through toBrantford, Ontario.^[287] A third F2 tornado struckBelleville, Ontario.^[288] An unrated tornado destroyed circus tents, injuring one and killing one inPerth, Ontario. A fifth tornado, unrated, struckOttawa, Ontario, destroying the St Jean Baptist School, killing a child and injuring another. Small towers on Bank Street collapsed. Several additional people were killed and injured. A sixth tornado occurred inMontreal, Quebec, where various homes were completely destroyed while others only received minor damage. The tornado lofted debris to Rue Cathcart in the city.^[289] A seventh tornado moved betweenDelhi, Ontario, andWindham Centre, Ontario. Additional damage was reported inOrillia, Ontario, where a man was injured by a falling steeple, however, there was inconclusive evidence to support a tornado classification.^{[290][291][292]}
• May 30 - an unrated tornado struckNottawa, Ontario, removing the roof off a mill.^[293]
• July 9 - a waterspout touched down overLake Saint-Louis, Quebec, nearMontreal, Quebec. The tornado resulted in a boat capsizing and a man drowning. From the newspaper article, there is no indication that the waterspout made landfall.^[294]
• July 10 - an unrated tornado touched north ofBrandon, Manitoba. A dispatcher inBrandon, Manitoba, reported that a cyclone touched down north of the city, demolishing several homes and barns. The storm took a southeast path, strikingDouglas, Manitoba, andCarberry, Manitoba. A dispatcher in Douglas reported a cone-shaped cloud reaching the ground. Houses and stables were blown down while machinery was scattered across the farmland in this area. Additional damage was reported inChater, Manitoba.^[295]
• July 28 - an unrated tornado touched down inHanlee Grove, Prince Edward Island, outside ofCharlottetown, Prince Edward Island, cutting a half a mile wide path through the landscape. The tornado destroyed two barracks.^[296]
• August 2 - an unrated tornado touched down inCharlottetown, Prince Edward Island, uprooting trees, flattening crops, and destroying the front of the provincial buildings. The tornado levelled the McKinnon's old tannery and other various buildings.^[297]

1894

• May 6 - an unrated tornado struckClinton, Ontario, shattering a few windows with debris.^[298]
• May 20 or May 27 - an unrated tornado touched down inMontreal, Quebec. The tornado tore the roofs off several buildings.^[299]
• May 20 or May 27 - an unrated tornado touched down inHuron County, Ontario. The tornado caused significant property damage and a considerable number of people died.^[300]
• July 9 - a waterspout touched down overLake Saint-Louis, Quebec, capsizing four yachts. One person drowned.^[301]
• September 18 - an unrated tornado struckClinton, Ontario. A flex mill was partly unroofed and wagons were overturned. Trees were uprooted and buildings were demolished.^{[302][303][304]}

1895

• May 4 - a small unrated tornado struck a few miles north ofBagot, Manitoba. The tornado carried parts of a granary half a mile away. A kitchen was also moved off its foundation.^[305]
• June 3 - a small unrated tornado struckBrokenhead, Manitoba, tearing the roof off several buildings.^[306]
• June 3 - an unrated tornado touched down nearBelleville, Ontario, resulting in broken windows and unroofed structures throughout the city. Damage continued intoPrince Edward County, Ontario, with damaged structures atOx Point, Ontario, and atBig Island, Ontario.^[307]
• June 4 - an unrated small probable tornado struckOwen Sound, Ontario^[308][309]
• June 8 - an unrated tornado struck portions ofBromley Township, Ontario, destroying several farm buildings.^[310]
• June 15 - a small unrated tornado struck Oak Lake shattering some buildings. The source lists Oak Lake from one of the "Eastern Provinces" fromBritish Columbia which could includeOak Lake, Manitoba,Oak Lake, Kenora, Ontario,Oak Lake, Peterborough County, Ontario,Oak Lake, Ontario, orOak Lake (Nova Scotia). The largest and most likely would be the one in Manitoba (Oak Lake, Manitoba), however, the source is not clear.^[311]
• July 26 - an unrated tornado struckSt. Clair, Ontario^[312]
• August 4 - an unrated tornado struck 3 miles east ofBridgetown, Nova Scotia, causing significant damage nearClarence, Nova Scotia, andParadise, Nova Scotia. While one of the sources states that the tornado was 3 miles east ofBridgeport, Nova Scotia, the second and more detailed source indicates other communities such as Clarence and Paradise which are significantly closer to Bridgetown compared to Bridgeport. The tornado snapped and uprooted many shade and orchard trees, throwing them credible distances. Windows were shattered, chimneys fell, and fences were levelled. The top story of a barn was torn off and carried for over a mile with pieces of scantling being driven 3 feet into the ground. An additional house, barns, stables, and crops were also destroyed.^[313][314]
• August 17 - an F0 tornado struckPickering, Ontario.^[315]
• September 11 - an F2 tornado touched down inKingston, Ontario, before crossing theSt. Lawrence River and impactingCape Vincent, New York. The tornado caused immense amounts of damage and killed two people. The probable tornado from September 23 in the Kingston area might actually have been the same tornado as this one.^{[316][317][318][319]} There are some indications that the tornado (or a secondary one) may have touched down further west nearMcIntyre, Ontario, causing little damage.^[320]
• September 23 - a probable tornado touched down inKingston, Ontario.^[321]

1896

• May 25 - an F2 tornado touched down nearWindsor, Ontario, in theSandwich East district, resulting in destroyed houses, barns, machinery, fences, and trees. Many cattle and horses were killed, however, no notable deaths or injuries for humans.^{[322][323][324][325]}
• May 27 - an unrated tornado struckDelhi, Ontario.^[326]
• June 6 - a probable cyclone did considerable damage at the French village of Guion, thirty miles up theOttawa River. A village named "Guion" doesn't exist, but the next closest thing which matches the distance is the closely namedQuyon, Quebec. Unless further information is found, it can be assumed that the misspelling was a miscommunication.^[327]
• June 25 - a probable tornado touched down inWindsor, Ontario, destroying and lifting off roofs, smashing windows, and damaging trees. Many chimneys were also blown down.^[328][329]
• July 2 - an unrated tornado touched down onLac Deschênes along theOttawa River nearOttawa, Ontario. The tornado overturned numerous boats, killing three.^[330][331]
• August 10 - an F0 tornado touched down inAmherstburg, Ontario, lifting the roof from the Lake View house and tossing it across the street. Various boats in theDetroit River were overturned.^[332] Significant damage was also reported inSimcoe, Ontario, where the roof from a grand stand was carried around with more minor damage to fences and trees reported. There was also significant crop damage in this area which is more indictive of straight-line winds or a downburst unless new information can be found.^[333][334]
• August 26 - an unrated tornado touched down nearFlinton, Ontario. The tornado caused significant damage to homes, barns, and fences. Many trees were destroyed.^[335]

1897

• May 31 - an F2 tornado struckWinfield, Ontario, north ofElmira, Ontario.^[336]
• June 21 - an unrated tornado struckNicola, British Columbia, just northeast ofMerritt, British Columbia. The tornado snapped trees near Mill Creek which fell in the direction of Driard hotel.^[337] There was initial question about the creditability of this report, but further research suggests that a Driard hotel did exist in Nicola with a Mill Creek Road also existing in the area, therefore, the report is classified as valid.
• June 29 - two F1 tornadoes touched down inOntario. The first tornado struckLondon, Ontario, inWestminster Township, Ontario, destroying buildings, woods, orchards, and fields.^{[338][339][340]} The second tornado struckPaynes Mills, Ontario (present dayKettle Creek). The second tornado lifted a house from its foundation.^[341][342]
• July 2 - an unrated tornado struckGriswold, Manitoba, tossing a house over some trees.^[343]
• July 3 - an unrated tornado struckRapid City, Manitoba, killing one and demolishing several buildings.^[344][345]
• July 5 - an F0 tornado struckMarsville, Ontario.^[346]
• July 12 - an unrated tornado struck parts ofChicoutimi County, Quebec.^[347]
• Within the week before July 20 - an unrated tornado struck betweenLothaire, Alberta andWheatland, Alberta, resulting in minor tree damage and a damaged barn roof.^[348] The lack of information makes this event question whether it was actually a tornado, listed as 'probable' until further evidence is provided.
• July 30 - an F0 tornado struckElora, Ontario.^[349]
• September 16 - an unrated tornado struckAnderdon Township, Ontario, levelling telephone and telegraph lines, uprooting trees, and unroofing barns and homes. Multiple horses were killed during the storm.^[350]
• November 9 - an unrated tornado struckVictoria, British Columbia, causing immense damage.^[351] The lack of information makes this event question whether it was actually a tornado, listed as 'probable' until further evidence is provided.

1898

• May 19 - an F0 tornado touched down inBinbrook Township, Ontario.^[352]
• June 20 - an unrated tornado struckWolseley, Saskatchewan, destroying a skating and curling rink, a church, several homes and stables. ThreeCanadian Pacific Railway freight cars were overturned.^[353][354]
• Week before June 30 - an unrated tornado struck the now ghost town ofPercy, Assiniboia, which is just northeast ofKisbey, Saskatchewan, killing one. The roof of a house was torn off.^[355]
• July 2 - an F0 tornado struckWatford, Ontario.^[356]
• July 4 - an unrated tornado struckLac-aux-Sables, Quebec, northeast ofTrois-Rivières, Quebec. The tornado lifted a house into the air.^[357]
• Before July 29 - a questionable tornado touched down nearKingsville, Ontario, destroying 800 peach trees. The description of the damage depicts an event more similar to adownburst. Additional information is need to determine the event classification.^[358]
• July 31 - an unrated tornado tracked south to north, just west ofRegina, Saskatchewan, destroying several telegraph poles.^[359]
• August 15 - two or three F0 tornadoes touched down inOntario. The first tornado touched down just south ofMarmora, Ontario. The second tornado struckDerby Township. The third probable tornado, occurring inSarawak Township, may have been an extension to the second tornado, however, newspaper articles are unclear as whether or not these were two separate events.^[360]
• August 16 - an F0 tornado struckTottenham, Ontario.^[361]
• August 17 - an unrated tornado struckHirsch, Saskatchewan, injuring three people.^[362]
• August 23 - an unrated tornado struckBayfield, Ontario, resulting in downed trees, general destruction to a train, and destroyed awnings.^[363]
• September 26 - an F3 tornado hitMerritton, Ontario (nowSt. Catharines), killing five people and injuring dozens. It left a 72 km (45 mi) path of destruction, ending nearTonawanda (city), New York.^{[364][365][366]}

1899

• March 6 - an unrated probable tornado struckKingston, Ontario, damaging structures.^[367]
• May 16 - a probable tornado touched down outside ofWindsor, Ontario, damaging telephone lines and trees.^[368]
• Before May 27 - an unrated tornado struckMelita, Manitoba, damaging several buildings.^[369]
• Before May 29 - an unrated tornado struckDeloraine, Manitoba, moving a residence over fifty feet.^[370]
• June 5 - an F0 tornado touched down nearGalt, Ontario and lifted nearRockton, Ontario, causing widespread damage.^[371]
• June 14 - an F0 tornado struckCaledon, Ontario^[372]
• Before June 22 - an unrated tornado struckGeorge Island, Manitoba, inLake Winnipeg, damaging many buildings.^{[373][374][375]}
• July 3 - an F1 tornado struckLucan, Ontario^[376]
• July 12 - an F0 tornado touched down just southeast ofWindsor, Ontario^[377]
• July 29 - an F1 tornado struckAmeliasburgh, Ontario^[378]
• August 19 - an F0 tornado struckMarsville, Ontario^[379]
• September 7 - an F1 tornado touched down overOil City, Ontario, destroying a number of mills and barns. Fences were blown down and trees torn up. Several people were injured by flying debris.^[380][381] A second F1 tornado touched down nearSt. Thomas, Ontario.^[382]

1900

• February 3 - an unrated questionable tornado destroyed twenty houses atLark Harbour, Newfoundland and Labrador.^{[383][384][385][386][387]} Based on the date of this tornado and terminology used in the 1900s, there is question as to whether this was another weather system or an actual tornado.
• June 5 - an unrated tornado touched down inWinnipeg, Manitoba, killing one and destroying numerous buildings and telephone communications.^[388][389]
• June 7 - an unrated mile-wide tornado touched down nearMarquette, Manitoba, destroying homes and barns in its path. InWoodlands, Manitoba, damage was significant.^[390]
• July 10 - an unrated tornado touched down south ofManitou, Manitoba, destroying a barn, small house and a stables. Additional buildings were damaged. There were two injuries.^[391]
• July 11 - an unrated tornado passed overPrince Edward County, Ontario. AtMilford, Ontario, andWaupoos, Ontario, several buildings were demolished while many barns were wrecked atBlack Creek, Ontario.^[392]
• July 26 - an unrated tornado struck nearLyn, Ontario. No information has been found on the tornado besides a child dying from a lightning strike associated with the parent storm.^[393] The lack of information on the actual tornado makes this questionable.
• August 3 - an unrated small tornado touched down four miles south ofQu'Appelle, Saskatchewan, destroying a dwelling. Two horses were killed.^{[394][395][396][397]}
• August 28 - two tornadoes touched down inSaskatchewan. The first tornado almost wiped out the town ofWhitewood, Saskatchewan, and did considerable damage inWapella, Saskatchewan, killing two.^[398] A second small tornado touched down inYellow Grass, Saskatchewan, destroying various buildings in the community.^[399] Significant damage was also reported inManitoba:Souris,Deloraine,Virden,Elkhorn,Oak Lake,Pilot Mound,Treherne,Glenboro,Morden,Thornhill,Margaret andSaskatchewan:Moosomin. Some of this additional damage may have been from one or more tornadoes.^{[400][401][402]}
• September 11 - an unrated small tornado struckLondesborough, Ontario.^[403]
• November 5 - an unrated probable tornado struckGoderich, Ontario, resulting in some minor structural damage.^[404]

1901

• April 25 - an unrated tornado touched down nearRosser, Manitoba, continuing to the northeast nearStony Mountain, Manitoba, and to an area west ofSelkirk, Manitoba. Significant damage was reported inRosser, Manitoba.^[405] Despite the destruction, there were no deaths.^[406]
• June 22 - severe storms and probable tornadoes passed overSouthwestern Ontario resulting in damage. The first tornado, an F2, touched down nearInnerkip, Ontario, and continued to an area just north ofDrumbo, Ontario, destroying everything in its path. Orchards and crops were destroyed.^{[407][408][409]} Additional damage and possible tornadoes were reported inWingham, Ontario,Wiarton, Ontario,Camilla, Ontario, andPenetanguishene, Ontario.^{[410][407][411]}
• July 5 - an F0 tornado passed throughSunshine, Ontario, destroying a new barn, fences, and trees.^[412]
• July 15 - two tornadoes touched inManitoba. The first tornado touched down in thePleasant Point, Manitoba, area resulting in damage to crops and the fair buildings inCarberry, Manitoba.^[413] A second tornado destroyed lumber mills in bothRat Portage, Manitoba, which is now the city ofKenora, Ontario, andNorman, (Kenora) Ontario.^[414]
• July 15 - an unrated tornado touched down inKingsclear Parish, New Brunswick, andNew Maryland Parish, New Brunswick, damaging ten barns and uprooted orchards and crops.^[415]
• July 19 - an unrated tornado touched down atBear Creek, Manitoba, nearGladstone, Manitoba. A house was destroyed and debris carried for miles.^[416] Several people were injured.^[417]
• August 6 - an F2 tornado struckCornwall, Ontario.^[418]
• August 29 - an unrated tornado touched down inYorkton, Saskatchewan, destroying many roofs, a new brick house, and a stables.^[419]

1902

• May 12 - an unrated tornado touched down nearHolmesville, Ontario, levelling fences and blowing the roof of a barn.^[420]
• May 21 - an unrated tornado touched down inToronto, Ontario, damaging many trees, telegraph wires, fences, and signs. A church tower was overturned with numerous windows broken. There was at least one injury.^[421]
• May 21 - an unrated tornado touched down in thePleasant Point, Manitoba, andCarberry, Manitoba, region, destroying buildings, trees, and shattering fences. The tornado was three miles in length and three to four hundred feet wide.^{[413][422][423]}
• Before July 16 - an unrated tornado touched down inLaval, Quebec, near theDoucet's Landing railway station, destroying ten houses.^[424]
• July 17 - an F4 tornado struckChesterville, Ontario, tracking northeastward. The tornado was fifty to sixty rods wide and tore dwellings and outbuildings into pieces. Several people were killed, at least five, and injured at a farm in the seventh concession ofWinchester, Ontario.^{[425][426][427][428]}
• August 3 - an unrated tornado touched down inSt. Catharines, Ontario, damaging various fruit farms and buildings.^{[429][430][431][432]} A single source from three days after the event suggests that this tornado hit also hitFonthill, Ontario, however, based on the description from the previous sources, this is questionable. It would be possible that the damage inFonthill which is estimated at $25,000 in damages was from a second probable tornado.^[433]

1903

• April 30 - an F0 tornado struckFergus, Ontario.^[434]
• May 8 - an unrated tornado touched down betweenPortage La Prairie, Manitoba, andDouglas, Manitoba.^[435]
• May 27 - multiple tornadoes touched down acrossSouthwestern Ontario. The first tornado, an F2, touched down nearMonkton, Ontario, before moving throughMornington Township and ending nearTralee, Ontario. The tornado started at the seventh concession and destroyed a silo before destroying a bush and large barn. A house was shifted eight feet of its foundation. A brick school house on 100th concession was completely wrecked with debris thrown over half a mile. There was one serious injury.^[436] A second tornado, an F2, touched down nearListowel, Ontario, and continued eastward towardsElora, Ontario, unroofing part of a barn and throwing it 60 yards away.^[437] A third tornado, an F1, touched down half a mile south ofAmherstburg, Ontario, were a drive-shed, new barn, and dwelling was destroyed. A person was carried several yards but remained uninjured.^[438][439]
• June 18 - an unrated tornado struck the side ofMount Sicker, British Columbia, resulting in tree damage in all directions block railways.^[440]
• July 13 - an unrated small probable tornado struckSaskatoon, Saskatchewan, resulting in damage to roof and shed of the Methodist church. The Roman Catholic church was shifted a foot and small shacks were damaged across the area.^[441] Based on the description of the event, there is question as to whether this was a tornado or not.
• Before July 20 - an unrated tornado struckBeachburg, Ontario, resulting in damage.^[442][443]
• August 6 - an F1 tornado touched down two miles west ofForest, Ontario, damaging various barns, windmills, and chimneys. Fences were levelled to the ground, windows shattered, and trees and crops destroyed. Damage was also town in the town ofForest, Ontario, and throughoutWarwick Township, Ontario. Several people were injured.^{[444][445][446]}
• August 11 - an F3 tornado hitRockland, Ontario.^[425][447]
• November 10 - an unrated tornado struckArrowhead, British Columbia, listing the Reid & Young store entirely off its foundation and throwing it twenty feet away. The tornado lasted only a couple seconds.^[448]

1904

• May 27 - an F1 tornado touched down inAmherstburg, Ontario, resulting in damage to the Lakeview hotel. Tall smokestacks from the Electric Light and Power Company toppled over. The court house was partially wrecked.^{[449][450][451]}
• May 28 - an unrated tornado struck the southern portion ofBrandon, Manitoba, destroying the fair grounds and some small houses.^[452]
• June 10 - an unrated tornado touched down inCarlyle, Saskatchewan, destroying stables, a skating rink, a kitchen and a hotel.^[453]
• Before July 14 - an unrated tornado touched down nearBrockville, Ontario, unroofing barns and damaging trees.^[454]
• July 15 - an unrated tornado passed nearSaskatoon, Saskatchewan, cutting a 400 yard wide path through the country side. A stable was smashed and tossed half a mile. Numerous buildings near the stable were also damaged.^[455]
• July 19 - an unrated tornado passed betweenWolf's Hotel, Ontario, andWalkerville, Ontario. The tornado uprooted trees and destroyed farm buildings.^[456]

1905

• July 6 - an F0 tornado touched down nearBarrie, Ontario, and inMidhurst, Ontario. The tornado blew over and destroyed several barns. The property ofCharles Stewart (premier) was destroyed with the roof of the barn being blown off, the kitchen in the house being torn apart, and trees and fences also being destroyed.^[457][458]
• July 12 - an unrated tornado touched down inPine Lake, Alberta, southeast ofRed Deer, Alberta resulting in considerable damage to stock and farm property. The path could be tracked through the fields and through a forest, peaking at three to four rods wide. A house lost its roof, but buildings on each side were left untouched.^{[459][460][461]}
• July 15 - an unrated damaging tornado struckWinnipeg, Manitoba, resulting in four deaths. The tornado tore up chimneys, building frames, and communication lines.^[462] Many cattle died and six people were injured.^[463]
• September 13 - an unrated tornado struckBathurst, Ontario, andArmstrong Corners, Ontario. The tornado resulted in significant damage to structures and crops.^[464]

1906

• April 5 - an unrated small tornado touched down inRivers Inlet, British Columbia, destroying a cannery.^{[465][466][467]}
• June 8 - at least four unrated probable tornadoes touched down inOntario. The first probable tornado touched down inHamilton, Ontario, uprooting trees, damaging roofs, and destroying a sailboat.^[468][469] A second probable tornado started nearRodney, Ontario, where it destroyed the roof of the Binder Hotel before continuing through/nearWest Lorne, Ontario,Dutton, Ontario,Shedden, Ontario, andFingal, Ontario, before ending inSt. Thomas, Ontario, where a roof of theMichigan Central Railroad was destroyed and nearly all trees on Wellington Street were damaged or destroyed.^[470][471] Damage in some of the nearby towns mentioned before could have been from the outer edges, more in the style of a downburst associated with the thunderstorm, but without proper record keeping as in the modern era, this can all be classified under one tornadic event. A third tornado touched down inChatham, Ontario, causing significant tree damage across the city. The tower of the Methodist church collapsed, the peak was knocked off the school, skylights were blown out, smokestacks of several local factories were also destroyed. Various houses were destroyed. This tornado likely dissipated before touching down again as theRodney, Ontario, toSt. Thomas, Ontario, tornado. InSarnia, Ontario, a fourth probable tornado touched down destroying 150 square feet of roofing on a new lumber mill. Numerous trees were destroyed while a house was lifted off its foundation and tossed. Based on the damage reported, the tornado started near theSt. Clair River causing damage along Christina Street, Johnston Street, and Queen Street before moving across Wellington Street and causing damage along Davis Street. The tornado began to weaken before causing minor damage on Russell Street. Additional damage was reported inPort Stanley, Ontario, where a ninety-foot elevator tower collapsed and inNiagara Falls, Ontario. There is inconclusive information to determine the classification of the event inPort Stanley, Ontario, andNiagara Falls, Ontario.^{[472][473][474]}
• June 14 - an unrated tornado touched down nearBalgonie, Saskatchewan, where it tore apart a skating rink and destroyed the roof of a new stables.^[475]
• June 30 - an unrated tornado struckWestport, Ontario, destroying barns.^[476]
• July 31 - an unrated tornado passed three miles west ofWaterloo, Ontario, destroying fences and wheat stacks. Trees and crops were also damaged.^[477][478]
• August 1 - an unrated tornado struck theNorth Battleford, Saskatchewan, area resulting in a Baptist church blowing off its foundation and a couple of houses being overturned.^[479]
• August 15 - an unrated tornado passed betweenBoucherville, Ontario (two miles south ofStratton, Ontario) andBarwick, Ontario. The north moved north from theUnited States betweenEmo, Ontario, andStratton, Ontario. Damage was done to numerous houses and barns in the region. The path of the tornado was nearly half a mile wide and jumped back and forth across theRainy River (Minnesota–Ontario). There were numerous injuries.^[480]
• October 9 - an unrated tornado struckAyr, Ontario, damaging trees, chimneys, homes and other buildings. A mill to the west was also damaged.^[481]
• October 29 - an unrated tornado touched down inCoutts, Alberta resulting damage near the international border. The tornado tore parts of the walls on the Campbell's blacksmith shop, destroyed chimneys, and blew over the windmill for theGreat Northern Railway of Canada.^[482][483]

1907

• May 26 - an F3 tornado touched down nearNixon, Ontario, where much of the town was destroyed. The tornado moved through the countryside before strikingWaterford, Ontario. This tornado was locally referred to as "The Nixon Cyclone" in local newspapers.^[484]
• June 3 - an unrated tornado touched down inNixon, Ontario, west ofSimcoe, Ontario. The tornado was narrow, destroying only two houses, a grocery store and a structure with a large coal chute. In the country, several barn roofs were torn off of barns and carried a long distance. In some cases, barn walls were also destroyed.^[485]
• June 16 - two unrated tornadoes touched down inManitoba with additional possible tornadic damage inSaskatchewan. The first tornado struckNapinka, Manitoba, resulting in damage to a farm property.^[486][487] A second tornado touched down to the north nearGriswold, Manitoba, destroying fences and chimneys. Tents for theCanadian National Railway construction were flattened. A home was lifted up from the ground and shifted. Unclassified wind damage was reported inYellow Grass, Saskatchewan, dealing a 'cyclonic force.' Buildings were torn to pieces with a small house being lifted up and shifted. Unclassified wind damage, possibly from a tornado, was reported to the north inNewdale, Manitoba. In this town, numerous farm buildings were damaged or destroyed, including stables, a granary, and homes. Shingles were torn off a roof. Many animals died and one person was injured.^[488]
• June 24 - an unrated probable tornado touched down nearHuntsville, Ontario. The probable tornado tore off a dwelling from a store and the flag pole near the school collapsed. Significant tree damage was reported with trees "thrown in every direction." Based on the description of the event, there is question as to whether this was a tornado or not.^[489]
• July 6 - an unrated tornado touched down in theMeridian District, Saskatchewan, destroying the Kimberley school house, several granaries, and nearby fields. The entry in the source lists the closest settlement asOxbow, Saskatchewan.^[490]
• August 8 - an unrated tornado struckTuxford, Saskatchewan, damaging and shifting the Anglican church, William's hotel and a large barn off their foundations. A hardware store and ice cream parlor were badly damaged. Sidewalks were ripped up.^[491]
• August 14 - an unrated tornado touched down 20 miles south ofVermilion, Alberta on theBattle River killing 3 children and destroying a house along with stables and corrals.^[492]

1908

• June 8 - an unrated tornado struckClinton, Ontario, tearing off the flag pole from town hall, lifting the roof off an evaporator and damaging trees. There is some question as to whether this was a tornado or only severe wind gusts.^[493]
• June 19 - an unrated tornado touched down inHamilton, Ontario, damaging many trees and the electric system.^[494]
• Before June 24 - an unrated tornado touched down inNiagara Falls, Ontario, flipping a boat.^[495]
• July 29 - two unrated tornadoes touched down inSaskatchewan. The first tornado touched down nearFillmore, Saskatchewan, doing considerable damage to the town and surrounding rural land. Various buildings, including a school, were destroyed. A single schoolboy died.^[496] A second tornado touched down nearWarman, Saskatchewan, resulting in the Anglican church being shifted while the Saskatchewan Trading Company's warehouse was destroyed.^[497] Additional damage was reported inNinga, Manitoba,Dunrea, Manitoba, andWaskada, Manitoba. It is unclear if this additional damage was the result of tornadoes or not.^[498]
• August 4 - a long-tracked F2 tornado touched down nearElora, Ontario, and moved northeastward toReading, Ontario,Tottenham, Ontario, andBradford, Ontario.^[499]
• August 5 - an unrated tornado touched down nearMount Pleasant, Ontario, demolishing numerous barns, unroofing many others, and causing impassable roads from fallen trees.^[500]
• August 16 - an unrated tornado struckGoderich, Ontario, uprooting trees and damaging structures.^[501]
• October 5 - an unrated small tornado struckMorris, Manitoba, unroofing two buildings, throwing some farm machinery, and relocating livestock. Small trees were also uprooted.^[502]
• October 6 - an unrated tornado touched down inBirds Hill, Manitoba, outside ofWinnipeg, Manitoba, doing considerable damage. Two or three houses were destroyed and telephone poles torn up.^[503][504]
• Week before October 9 - am unrated small tornado touched down onWolfe Island, Ontario, causing considerable damage. The tornado shifted several farm structures and demolished at least one.^[505]

1909

• April 6 - an unrated tornado struckLondon, Ontario, causing some minor damage to a chimney. Half a dozen children were injured from a falling chimney.^[506][507]
• April 15 - an unrated small tornado struck nearPiche, Saskatchewan, which is now calledBents, Saskatchewan. The tornado lifted half a house and carried it to the next homestead.^[508]
• May 13 - an unrated tornado touched down inMcKillop Township, Ontario. The tornado caused damage to fences and railway boards.^[509]
• July 1 - an unrated tornado nearDidsbury, Alberta is shown in a photograph in the archives of the Glenbow Museum.^[510][511]
• July 1 - an unrated tornado struckCarievale, Saskatchewan, andGainsboro, Saskatchewan, destroying homes and buildings. Farm machinery were twisted, carried over a half a mile, and destroyed. Buildings were torn up and scattered through fields. Eleven families were left homeless, five were killed, and up to 30 people were injured. A post office was destroyed.^[512][513]
• July 4 - an unrated tornado touched down inGravelbourg, Saskatchewan, north ofAssiniboia, Saskatchewan, resulting in one death and significant roof damage to one home. The roof was thrown over 60 yards.^[514]
• July 10 - an unrated tornado touched down over the eastern part ofHullett Township, Ontario. The tornado did considerable damage to trees and fences. A silo was blown down. Machinery was overturned.^[515]
• July 16 - two unrated tornadoes touched down inAlberta andSaskatchewan. The first was an F3 tornado struck near the settlement ofGolden Valley, Alberta,^[516] injuring four. Continuing from the first storm, at 10 pm, a second strong tornado caused damage 14 miles north ofWilkie, Saskatchewan, causing one injury. The second tornado completely destroyed a house and carried pieces of it for a quarter of a mile. Hay stacks and farm machinery were tossed. A second house was damaged. The tornado was a quarter of a mile wide.^{[517][518][519][520][521]}
• July 25 - an unrated tornado touched down nearOak Lake, Manitoba, destroying numerous buildings.^[511][229]

1910

• March 5 - an unrated probable tornado struckWinnipeg, Manitoba, causing considerable damage. The probable tornado blew down the walls of a six-story furniture warehouse. There is a lack of detail regarding any other damage to determine if this was a tornado or not.^[522]
• June 21 - two unrated tornadoes struck theCanadian Prairies The first tornado struck 60 miles south ofMoose Jaw, Saskatchewan, resulting in widespread damage to homes and farms. Three people were killed, including two children, with seven people injured according to The Granum Press andLethbridge Herald report that three people died.^[523][524] The book, "The Literary History of Saskatchewan," cites another book, "Freeman Wing Searches," stating that it lists all the names of the Euro-Canadians and three Asian men died, implying that more than three deaths occurred.^{[525][526][527][528]} The second tornado struckGladstone, Manitoba, destroying a skating rink and part of a mill.^[529]
• July 3 - an unrated probable tornado struckDavidson, Saskatchewan, destroying some houses, barns, numerous granaries, and other buildings. Some debris was lofted over 100 yards.^[530] The description of the event isn't definitive enough to say if this was a tornado or not with confidence.
• July 29 - an unrated tornado struckBeverley, Saskatchewan, destroying the Quon Koy restaurant. A home a mile east of the town was also destroyed.^[531]
• July 30 - an unrated probable tornado touched down inLondon, Ontario, destroying telephone lines west of the city with trees down throughout the region.^[532] The lack of information makes this event question whether it was actually a tornado, listed as 'probable' until further evidence is provided.
• September 8 - an unrated tornado touched down inCreston, British Columbia, resulting in significant damage. The length of the tornado was 500 yards with a wide of 30 feet. The tornado dealt damage to homes and business in the community including barns and farm buildings. Large glass panes were destroyed and large timber blocks weighing up to 400 pounds were picked up and thrown 150 yards.^{[533][534][535]}
• October 1 - an unrated tornado struckMontreal, Quebec, resulting in damaged businesses and telephone services.^[536]

1911

• March 13 - an unrated small tornado touched down nearMacleod, Alberta resulting in minor damage.^[537]
• March 27 - an unrated small tornado struckSt. Catharines, Ontario, damaging trees and fences. The day following the tornado (March 28) included a significant snow storm and blizzard.^[538]
• April 15 - an unrated tornado struckNanaimo, British Columbia, resulting in uprooted trees, downed fences, smashed windows, and torn shingles.^[539]
• May 1 - an F0 tornado struckCaledon Lake, Ontario, damaging a barn.^[540]
• Before May 11 - an unrated tornado and violent storm occurred betweenBrandon, Manitoba, andWinnipeg, Manitoba, resulting in damage to telephone communications.^[541]
• May 9 - an unrated tornado touched down inCarievale, Saskatchewan, destroying multiple buildings including numerous barns and a kitchen.^[542][543]
• May 24 - an unrated tornado touched down inSt. Boniface, Manitoba, tearing trees, overturning barns and sheds, and breaking windows.^[544]
• June 10 - an F2 tornado struckOwen Sound, Ontario. The Clinton New Era paper suggests that two tornadoes merged into a single tornado before destroying thousands of windows, lifting many roofs, and destroying many crops in the area.^{[545][546][547]}
• June 11 - four F0 tornadoes struckSouthwestern Ontario. The first tornado touched down nearMetz, Ontario, and moved throughMono Centre, Ontario. The second tornado struckMilverton, Ontario. The third tornado struckPonsonby, Ontario. The fourth tornado struckCook's Bay (Ontario).^{[548][549][550][551]}
• June 30 - an unrated tornado touched down nearWinnifred, Alberta, destroying various homes and barns.^[552]
• July 6 - an unrated tornado struck the village ofAlgonquin, Ontario, north ofBrockville, Ontario, levelling fences, uprooting trees, and destroying a barn roof.^[553][554]
• July 9 - an unrated tornado struckHuronville, Saskatchewan, lifting several houses off their foundation and carrying them for more than a mile. Three people were injured.^[555]
• Week before July 10 - an unrated tornado touched down nearStrome, Alberta only lasting a few seconds, but smashing a few windows and shifting a couple barns. Damage was minimal.^[556]
• July 10 - an unrated probable tornado struckPeterborough, Ontario, damaging trees, wires, and telephone systems. There is a lack of information which makes this tornado questionable.^[557]
• July 12 - an unrated tornado struckWawota, Saskatchewan, lifting a large barn off its foundation, destroying several other barns, and knocking down fences across the area.^[558]
• July 24 - an unrated small tornado touched down nearFergus, Ontario, injuring one person.^[559]
• August 11 - an unrated large tornado hit nearBlack Diamond, Alberta destroying some houses and a granary. One woman was badly injured.^[560]
• August 20 - an unrated 200 yard wide tornado developed inSouthern Saskatchewan before moving intoManitoba andNorth Dakota. The tornado struckGlen Ewen, Saskatchewan,Elmore, Saskatchewan,Antler, North Dakota,Westhope, North Dakota, and nearSouris, North Dakota. Various injuries were reported in bothElmore, Saskatchewan, and throughNorth Dakota, including seven dead.^{[561][562][563]}

1912

• June 30 - Canada's deadliest twister hitRegina, Saskatchewan. Known as theRegina Cyclone, it was an F4 tornado that devastated the city. More than 300 people were injured and 28 people killed. The total cost of damage was estimated to be around $4.5 million (nearly $117M in 2019).

1915

• June 25 - an F4 tornado struck nearMedicine Hat, Alberta. The business section ofRedcliff was also severely damaged, and a freight train was blown off the tracks. The storm killed two people and injured many others.^[564]

1917

• July 27 - a tornado struck theOak Lake, Manitoba, district destroying a barn.^[229]

1918

• No date - a tornado touched down nearVermilion, Alberta, destroying a log house. Three children were killed, and one woman was carried 27 m (30 yd).^[565]

1919

• November 29 - a tornado touched down inLeamington, Ontario.^[566]

1920

• July 22 - a violent tornado passed through a large portion of southeasternSaskatchewan, killing four people and injuring over a dozen. TheCanadian Red Cross provided relief on behalf of the government to 42 affected families inAlameda,Frobisher,Lampman,Steelman, andEstevan. Grazulis rated it as F5.^[567]

1921

• March 19 - a tornado struckBruce County, Ontario^[568]

1922

• June 23 - multiple tornadoes struckSouthern Manitoba, killing five people and injuring hundreds. Damage was estimated near $2 million.^[569]
• July 21 - a tornado hit nearCrystal Springs, Saskatchewan, lifting a house and dropping it in a field nearby.
• August 15 - an F3 tornado touched down nearEastend, Saskatchewan, killing two and injuring four.

1923

• June 24 - a tornado touched down nearHornby, Ontario (present-dayHalton Hills). It travelled eastward almost 20 km (12 mi) before dissipating nearCooksville, close to the centre of present-dayMississauga.

1926

• July 12 - a rare tornado touched down inLac la Hache, British Columbia, destroying farm buildings and knocking down trees.

1927

• June 18 - a tornado picked up a house inElfros, Saskatchewan, killing one person. The damage path lasted for 11 km (6.8 mi).
• July 8 - a strong tornado struckVulcan, Alberta, causing significant damage in the town and surrounding area. A curling rink was destroyed, along with a dairy farm and a granary. There were no injuries.
• July 8 - a tornado struck the Rainy Creek area SW ofBentley, Alberta "leaving a trail of damage and destruction" as recorded in the book titled Bentley and District Early History.^[570][571]
• July 8 - a tornado struck the town ofRocky Mountain House, Alberta. Fifty businesses were destroyed or damaged, as were several residences, barns, garages and other structures. Two people were severely injured, but miraculously no one was killed.^[572]

1928

• August 27 - a tornado touched down nearClaresholm, Alberta resulting in widespread damage to nearby farms and structures. Several animals died in the tornado.^[573]

1933

• May 23 - a tornado passed a mile south and west of the town ofWinkler, Manitoba, late in the afternoon, and was photographed. The accompanying cloudburst resulted in severe flooding in the town lasting into the following day.^[574]

1935

• July 1 - a strong F4, possibly F5 tornado struckBenson, Saskatchewan.
• July 6 - an F3 tornado touched down nearSmiley, Saskatchewan, leaving a 10 km (6.2 mi) path and killing two people.^[575]

1936

• July 6 - a tornado destroyed buildings and tossed farm equipment nearLavoy, Alberta, about 100 km (62 mi) east ofEdmonton.^[576]

1939

• June 11 - a tornado touched down nearSaint-Jean-sur-Richelieu, Quebec, knocking down trees and blowing off roofs.

1942

• July 25 - a small tornado was reported in the community ofMentmore,Manitoba, causing damage to buildings and crops.^[577]

1944

• July 1 - two tornadoes struckLebret, Saskatchewan, killing four people.
• August 9 - locally known as the "Kamsack Cyclone", a tornado touched down inKamsack, Saskatchewan, destroying 400 homes and 100 businesses. Three people were killed and many more injured.^[578]

1946

• June 17 - the third deadliest tornado in Canadian history struck the towns ofWindsor andTecumseh, Ontario. Known as the1946 Windsor–Tecumseh tornado, it was given an F4 rating and killed 17 people. Damage estimates at the time exceeded $9 million.^[579]
• June 24 - a tornado touched down inInternational Falls, Minnesota, then crossed the border and struckFort Frances, Ontario. It was given an F3 rating. It dissipated nearRainy River, Ontario.
• December 12 - the small community ofExeter, Ontario, north ofLondon, was struck by an F2 tornado.

1948

• March 19 - a tornado struck theWindsor, Ontario, area. This was the earliest tornado in the year for the province until 2016.

1949

• July 19 - the small village ofChénéville, Quebec, was devastated by a tornado which lasted about three minutes.

1950

• September 1 - a tornado cut an 80 km (50 mi) path fromRycroft toEaglesham, Alberta, damaging crops, farm machinery and farm buildings.
• November - a tornado was reported nearRegina, Saskatchewan.

1953

• May 21 - anF4 tornado touched down inSarnia, Ontario, leaving seven people dead, over 40 injured, and 500 homeless. The path was estimated to be over 150 km (93 mi) long throughMichigan andOntario.

1954

• January 30 - a very rare mid-winter tornado touched down nearWhite Point, Nova Scotia.^[580]
• July 7 - an F2 tornado hit the town ofSt. Stephen, New Brunswick, injuring one person.

1955

• April 25 - a tornado touched down nearNanaimo, British Columbia, causing minor damage in the south end of the city.

1956

• May 12 - an F4 tornado hit southern portions ofLaSalle, Ontario.^[581]

1958

• January 1 - a tornado was spotted nearAmaranth, Manitoba.^[582]
• April 16 - a tornado hitWatrous, Saskatchewan, destroying a large barn and scattering pigs up to 5 km (3.1 mi) away.

1959

• June 6 - a tornado destroyed a garage inLa Salle, Manitoba, yet the car inside the garage was not damaged. The tornado could be seen 15 km (9.3 mi) away inWinnipeg.
• September 9 - a possible tornado touched down nearWatson Lake inYukon, snapping pine trees.^[583]

1960

• July 18 - a violent cone-shaped tornado was reported to have torn through theMentmore, Ingelow andBrookdale areas ofManitoba. The twister pushed 59 cars from aCanadian National Railway freight train off their tracks, damaged buildings, flattened crops, snapped power lines, uprooted trees and pushed a garage off its foundation. Damage was estimated at half a million dollars.^[584]

1962

• July 1 - a small tornado was observed nearVancouver, British Columbia. This was the third tornado recorded since the weather office opened in 1929.

1963

• June 29 - a large tornado touched down nearSpy Hill, Saskatchewan, 260 km (160 mi) northwest ofRegina, destroying multiple houses and damaging property. One man was killed when he was sucked out of his house. The tornado travelled 6.4 km (4 mi), and left a 1.6 km (1 mi) wide path of destruction.^[585]

1966

• March 7 - an unconfirmed tornado touched down inUcluelet, British Columbia, causing significant damage. It drove a metal spike through a classroom window into a blackboard.
• June 10 - a small tornado touched down nearNanton, Alberta, tearing trees and narrowly missing ranch buildings.^[586]

1967

• April 17 - a total of four tornadoes, two being F3 in strength, touched down inSouthwestern Ontario, causing at least $8.2 million in damage. The first tracked throughHuron andPerth counties, flattening barns and homes, and snapping multiple trees and utility poles. The second F3 tracked fromSt. Jacobs to northwest ofGuelph. Two F0 tornadoes were also confirmed and one person was killed.^[587][588]

1968

• April 11 - a weak tornado hitWatson, Saskatchewan, destroying a garage.
• July 20 - a tornado struckLa Riviere, Manitoba, destroying several cabins, ripping the roof off the grain elevator, flipping vehicles, and downing many trees. The tornado tracked about 20 miles to northeast of Manitou with a damage path 200 yds wide.^[589]

1970

• August 20 - an early morningF3 tornado touched down nearSudbury, Ontario, causing extensive damage in the city, as well as in the suburban communities ofLively andCopper Cliff, and the more distant rural community ofField. Lively was the hardest hit, with over 300 homes damaged. The communities were given little warning of bad weather approaching, as theSudbury Airport did not have radar that detected tornado activity. Over 200 people were injured and six were killed. The damage was estimated at $17 million, and it is listed as the eighth deadliest tornado in Canadian history.^[590]

1972

• July 22 - a tornado nearAlgonquin Provincial Park left a 25 km (16 mi) path, destroying aportage trail and wide swaths ofred pine forest and other trees south of Lake Lavieille.
• July 28 - a tornado tore through farmland nearBawlf, Alberta, destroying a two-storey house and several farm buildings. Two people were injured, and one person was injured and died later from the injuries.^[591]

1973

• July 5 - a tornado touched down nearKelvington, Saskatchewan.
• July 13 - an F2 tornado touched down inBrighton, Ontario, in the early evening hours. It only lasted 32 seconds, but destroyed the city hall and toppled mostmaple trees along Main Street. The Presbyterian Church also lost itssteeple. Only one person was injured.^[592][593]
• August 27 -Algonquin Provincial Park was hit with another tornado nearLake Manitou, flattening an 11 km (6.8 mi) long path of forest.

1974

• April 3 -Windsor, Ontario, was hit with an F3 tornado, part of the1974 Super Outbreak. Nine people were killed and 30 were injured, with an estimated $500,000 in damage. It is listed as the sixth deadliest tornado in Canadian history.^[594]

1975

• July 24 - a strong tornado hitSaint-Bonaventure, Quebec, approximately 80 km (50 mi) northeast ofMontreal, destroying over 100 homes and businesses. Three people were killed, and over forty were hospitalized.^[595]

1977

• July 18 - an F4 tornado touched down nearSt. Malo, Manitoba, destroying houses and barns. Asphalt was peeled offHighway 59 as a result of the strong winds. Three people were killed.^[596]

1978

• June 27 - an F2 tore through the city ofMasson-Angers, Quebec (today part ofGatineau), damaging 100 homes and injuring 35 people.
• July 30 - an F2 tornado touched down nearYellowknife, Northwest Territories, toppling a tower and then destroying a transmission tower nearRae-Edzo. Some witnesses said that they saw a huge 1.6 km (1 mi) wide wedge coming into town from the west. The tornado caused severe damage to weakly built houses. It was the third recorded tornado in the region since 1960.^[597]

1979

• July 10 - a tornado struck the town of Glasnevin, Saskatchewan, killing one person.^[598]
• August 7 -three tornadoes struck near theWoodstock, Ontario, area, causing more than $100 million in damage. The biggest were two F4 tornadoes; one starting in Woodstock and travelling southeast for 57 km (35 mi), the other starting in the south ofStratford, tearing a path southeast for 31 km (19 mi). An F0satellite tornado accompanied the Woodstock tornado for up to 21 km (13 mi). The storms killed two and injured more than 150, while 480 houses were left uninhabitable.
• August 8 - a tornado touched down inRegina, Saskatchewan, causing damage in the northwest end of the city. Two tornadoes were spotted that day, with one reaching F2 status, but this was unconfirmed.^[599]

• April 6 - an F0 tornado touched down nearAltona, Manitoba, 115 km (71 mi) southwest ofWinnipeg.^[600]
• May 5 - an F1 tornado was confirmed north ofStratford, Ontario, leaving a path of damage 4.1 km (2.5 mi) in length.^[600]
• May 23 - two tornadoes touched down; an F0 nearSchuler, and an F1 nearHilda, Alberta.^[600]
• May 25 - two F1 tornadoes hit nearAden andCereal, Alberta. An F0 was also confirmed near Hilda.^[600]
• May 25 - four tornadoes were confirmed, three being rated as F1 in strength. They hit near the communities ofCreelman,Carnduff andBellegarde, Saskatchewan. The other tornado, an F0, was confirmed nearDubuc. No major damage was reported.^[600]
• May 26 - an F0 tornado touched down nearQuill Lake, Saskatchewan.^[600]
• May 28 - an F0 tornado was confirmed 16 km (9.9 mi) south ofMorden, Manitoba.^[600]
• May 31 - a late afternoon F0 tornado touched down, leaving a 26 km (16 mi) path of damage fromGeorgetown toWoodbridge, Ontario. No injuries were reported, but the damage cost was an estimated $900,000.^[600]
• June 2 -Environment Canada confirmed an F0 tornado touched down nearGrassy Lake, Alberta, causing no damage.^[600]
• June 9 - an F0 tornado touched down, leaving a 50 m (160 ft) damage path nearWhitby, Ontario. Minimal damage was reported.^[600]
• June 11 -Foremost, Alberta was struck by an F1 tornado, causing no damage.^[600]
• June 11 - an F0 tornado was confirmed nearEstevan, Saskatchewan.
• June 23 - three F1 tornadoes touched down in east central Saskatchewan near the towns ofInvermay,Francis andEbenezer. No major damage was reported.^[600]
• July 6 - an F1 tornado touched down nearPrince Albert, Saskatchewan.^[600]
• July 10 - a late night F1 tornado was confirmed betweenFairy Glen, andGronlid, Saskatchewan, causing no damage.^[600]
• July 14 - an F0 tornado touched down nearSylvan Lake, Alberta, 20 km (12 mi) west ofRed Deer.^[600]
• July 15 - an F0 tornado hit near the town ofWellesley, Ontario, 28 km (17 mi) northwest ofKitchener, leaving a 1.5 km (0.93 mi) path and causing approximately $50,000 in damage. No injuries were reported.^[600]
• July 16 - an evening F1 tornado struck the town ofLaSalle, Ontario, damaging property along a 6.3 km (3.9 mi) path. No injuries were reported, but the damage cost was an estimated $500,000.^[600]
• July 22 - a rare F0 tornado was confirmed, touching down near the town ofRoseway, Nova Scotia.^[600]
• July 26 - an F0 tornado struck thePinaymootang First Nation, in Fairford, Manitoba.^[600]
• July 28 -North Battleford, Saskatchewan, was hit with an F0 tornado causing no damage.^[600]
• July 29 - an F0 tornado touched down nearBowsman, Manitoba, just before midnight. No damage was reported.^[600]
• August 8 - an F0 tornado left a 3.2 km (2.0 mi) track nearWheatley, Ontario. No injuries were reported.^[600]
• August 8 - an F2 tornado touched down in Le Petit-Aigle, Quebec, injuring one person.^[600]
• August 9 -Roberval, Quebec, was hit by a small F0 tornado.^[600]
• August 9 - an F0 tornado touched down nearMaple Green, New Brunswick.^[600]
• August 10 - an F0 tornado was confirmed nearAldersyde, Alberta.^[600]
• August 11 - two F0 tornadoes touched down inSouthern Ontario, the first confirmed nearNorth Woodslee. The second touched down inPort Dover, leaving an estimated $20,000 of damage along a 2.5 km (1.6 mi) path.^[600]
• August 14 - the province was hit with five tornadoes, the largest given an F2 rating and touching down inLondon. It was on the ground for approximately 3.2 km (2.0 mi) and caused an estimated $100,000 in damage. The other four tornadoes were given F0 ratings and touched down inEastern Ontario, near the towns ofSpringfield,Meath,Kirk Cove andStanleyville.^[600]
• August 15 -Prince Edward Island experienced a rare F0 tornado, touching down near Strathgartney and leaving a 4.6 km (2.9 mi) path.^[600]
• August 16 - an F0 tornado was confirmed nearNorthport, Nova Scotia.^[600]
• August 25 - an F0 tornado cut a 10.4 km (6.5 mi) path thoughNeskantaga First Nation inNorthern Ontario.^[600]
• September 2 - an F2 tornado was one of three confirmed in the province of Ontario, touching down nearJarratt. An F1 also touched down inSouth Lancaster, and an F0 was confirmed near Houghton Centre.^[600]
• September 22 - six tornadoes touched down inOntario, causing upwards of $750,000 in damage. Two F1 tornadoes were confirmed inWoodbridge andBlenheim, and four F0 tornadoes touched down inStratford,Primrose,Mariposa andLakefield. No injuries were reported.^[600]
• September 25 - an F2 tornado hit nearTeeswater, Ontario, and was on the ground for over 10 km (6.2 mi).^[600]
• September 28 - an F0 tornado was confirmed inCape Traverse, Prince Edward Island.^[600]

• March 30 - two early season tornadoes were confirmed inSouthern Ontario. An F1 tornado touched down nearBothwell, and an F0 hit nearHickson. No injuries were reported.^[600]
• May 28 - an F0 tornado touched down nearWakaw, Saskatchewan.^[600]
• June 3 -Midland, Ontario, was hit with an F0 tornado causing no damage.^[600]
• June 4 - an F0 tornado touched down nearMelita, Manitoba.^[600]
• June 5 - two tornadoes hit the province ofAlberta near the towns ofLandonville andClandonald. They were given ratings of F1 and F0, respectively.^[600]
• June 6 - an F1 tornado left a 15 km (9.3 mi) path throughHaliburton County, Ontario, near the town ofHarcourt.^[600]
• June 6 - an F1 tornado touched down near Clandonald,Alberta, it was the second tornado in two days.^[600]
• June 10 - an F0 tornado was confirmed near the town ofActon, Ontario, and stayed on the ground for 5.6 km (3.5 mi)^[600]
• June 16 - two F0 tornadoes touched down near the hamlets ofGallivan, andDelmas, Saskatchewan.^[600]
• July 1 - an F0 tornado was confirmed in extreme southeastern part of the province, near the town ofCarnduff, Saskatchewan.^[600]
• July 3 - an F0 tornado touched down near the former town ofGrandview, Manitoba.^[600]
• July 8 - a strong F2 tornado touched down in the community ofScotchtown, New Brunswick, causing an estimatedC$10,000 in damage. No injuries were reported.^[600]
• July 13 - an F1 tornado touched down inWest Edmonton, Alberta. No damage or injuries were reported.^[600]
• July 14 - an F0 tornado was confirmed near the village ofBoyle, Alberta.^[600]
• July 14 - an F0 tornado touched down nearGovan, Saskatchewan.^[600]
• July 14 - an F0 tornado touched down near the unincorporated community ofNotre-Dame-de-Lourdes, Manitoba.^[600]
• July 15 - a powerful F2 tornado hit outside the hamlet ofRivière Qui Barre, Alberta, 34.6 km (21.5 mi) northwest ofEdmonton.^[600]
• July 18 - an F0 tornado touched down near Bond Head^{[clarification needed]}.^[600]
• July 19 - three F0 tornadoes cut acrossOntario, one leaving a 9.7 km (6.0 mi) path nearThornhill. The other two touched down nearMaple andArden.^[600]
• July 25 - an F0 tornado was confirmed nearSangudo, Alberta.^[600]
• July 28 - an F0 tornado touched down in the municipality ofTorch River, Saskatchewan, 140 km (87 mi) northeast ofPrince Albert.^[600]
• July 29 -Regina, Saskatchewan, was hit with a weak F0 tornado.^[600]
• August 4 - an F0 tornado was confirmed nearBradford, Ontario, causing no damage.^[600]
• August 5 - two tornadoes touch down inSaskatchewan; an F1 nearKronau and an F0 nearAylesbury.^[600]
• August 8 - an F0 tornado touched down inBrantford, Ontario.^[600]
• August 11 - an F0 tornado caused an estimated $200,000 in damage nearNiagara-on-the-Lake, Ontario.^[600]
• August 16 - an F0 tornado was confirmed nearPense, Saskatchewan.^[600]
• August 17 - an F1 tornado touched down nearHughton, Saskatchewan.^[600]
• August 22 - two F0 tornadoes were confirmed nearWadena, Saskatchewan, andStenen.^[600]
• August 30 - an F0 tornado touched down nearPlumas, Manitoba.^[600]
• September 10 - three tornadoes touched down inEastern Ontario in the early evening hours. The strongest, an F1, hit nearShannonville, leaving a 12.8 km (8.0 mi) path. The other two were given F0 ratings and touched down onHowe Island, and nearAdolphustown.^[600]
• September 13 - an F0 tornado was confirmed nearSarnia, Ontario.^[600]

• April 14 - an F1 tornado touched down nearAdamsville, Quebec.^[601]
• April 30 - an F0 tornado was confirmed nearCudworth, Saskatchewan, 85 km (53 mi) northeast ofSaskatoon.^[601]
• May 7 - an F0 tornado touched down nearCoutts, Alberta.^[601]
• May 13 - two tornadoes were confirmed in the province of Alberta; an F1 touched down nearMayerthorpe, and an F0 hit nearFort Assiniboine.^[601]
• May 28 - an F0 tornado touched down nearDobbinton, Ontario, causing and estimatedC$2,000 in damages.^[601]
• May 29 -Magnolia, Alberta was hit with an F0 tornado.^[601]
• June 2 - an F1 tornado was confirmed nearGainford, Alberta.^[601]
• June 2 - an F0 tornado touched down nearPrince Albert, Saskatchewan.^[601]
• June 5 - an F0 tornado was confirmed inDelisle, Saskatchewan.^[601]
• June 6 -Prince Albert, Saskatchewan, was hit with an F0 tornado.^[601]
• June 6 - an F1 tornado was confirmed nearEntwistle, Alberta.^[601]
• June 15 - an F0 touched down nearParkbeg, Saskatchewan.^[601]
• June 15 - four tornadoes were confirmed inSouthern Ontario, after active weather swept through the province. An F1 hit nearStrathroy, and three F0 tornadoes touched down nearChatham,Burford andPort Burwell. The tornado near Burford was on the ground for approximately 11 kilometres (6.8 mi).^[601]
• June 22 - an F1 tornado struckMississauga, Ontario, and an F0 tornado was confirmed nearExeter.^[601]
• June 30 - four strong tornadoes ripped through parts ofAlberta, with the strongest, an F3, destroying a farm 15 km (9.3 mi) southeast ofRocky Mountain House. It also destroyed a mobile home, injuring one person, and left an estimatedC$500,000 in damages.^[602] An F2 tornado also struck 24 km (15 mi) north ofViking, and two F1 twisters were confirmed 12 km (7.5 mi) northeast ofLacombe and nearKinsella.^[601]
• July 1 - an F1 tornado touched down nearGolden Prairie, Saskatchewan.^[601]
• July 1 - an F1 tornado was confirmed nearConsort, Alberta, causing no damage.^[601]
• July 6 - an F0 tornado touched down nearLangdon, Alberta.^[601]
• July 11 -Clive, Alberta was hit with an F0 tornado.^[601]
• July 14 - ten tornadoes were confirmed in Alberta after storms swept through the province. Six tornadoes were given F0 ratings and touched down near the communities of Jackfish Lake,Benalto,Sylvan Lake,Wetaskiwin,Sherwood Park andVegreville. The other four were given higher F1 ratings and struck nearBarrhead,Duffield,Stony Plain, andLacombe. No injuries were reported.^[601]
• July 16 - an F1 tornado was confirmed nearColgate, Saskatchewan.^[601]
• July 16 - six tornadoes swept through Manitoba in the evening hours. They were all rated as F0 on theFujita Scale and touched down near the communities ofEmerson,Hadashville,Melita, St. Alphonse andMorden. The sixth was confirmed 32 kilometres (20 mi) southwest ofPortage la Prairie.^[601]
• July 18 - an F0 tornado touched down near Lucky Lake, Alberta.^[601]
• July 18 - an F0 tornado was confirmed near Crows Landing, Ontario.^[601]
• July 19 -Bathurst, New Brunswick, was hit with an F1 tornado.^[601]
• July 19 - an F1 tornado struck nearCarrot River, Saskatchewan.^[601]
• July 30 - an F0 tornado was confirmed nearRocky Mountain House, Alberta.^[601]
• August 5 - an F0 tornado was confirmed nearCarnduff, Saskatchewan.^[601]
• August 8 - an F0 tornado hit nearCochrane, Ontario, causing an estimatedC$100,000 in damage.^[601]
• August 11 - Six tornadoes were confirmed acrossAlberta andSaskatchewan after an active weather evening. The largest, an F2, touched down nearPonteix, Saskatchewan, and the town ofMarshall saw an F1. The four other tornadoes were given an F0 rating and hit near the towns ofAlix,Edgerton andStettler, Alberta, andPrince Albert, Saskatchewan.^[601]
• August 14 - an F1 tornado touched down nearDenholm, Saskatchewan.^[601]
• August 14 - an F0 tornado was confirmed inDecker, Manitoba.^[601]
• August 15 - an F0 tornado hit nearVauxhall, Alberta.^[601]
• August 15 - an F0 tornado was confirmed nearShamattawa, Manitoba.^[601]
• August 17 - an F1 tornado struck nearSylvania, Saskatchewan.^[601]
• August 18 - an F1 tornado hit nearHardy, Saskatchewan.^[601]
• August 19 - an F0 tornado was confirmed inMattawa, Ontario.^[601]
• August 25 - Two F1 tornadoes were confirmed inSouthern Ontario nearMount Brydges andLondon.^[601]
• September 10 - A rare F0 tornado struck nearSummerside, Prince Edward Island.^[601]
• September 10 - an F1 tornado was confirmed in the city ofCalgary, Alberta.^[601]

• May 2 - seven tornadoes touched down inSouthern Ontario, mainly inLambton County andToronto. It caused C$22.2 million in damages and injured 14 people; no fatalities occurred.^[600][603]

• Walpole Island saw an F2 tornado, which injured one person. It lasted 15 km (9.3 mi) on the ground and caused C$1 million in damages.^[600][603]
• Reece's Corners had the strongest tornado, rated an F4. 13 people were injured and many more left homeless. The F4 tornado was on the ground for 30 km (19 mi), and was up to 400 m (1,300 ft) in width. Damages wereC$20.0 million,^[600] with 15 to 25 buildings destroyed. Winds topped out near 400 km/h (250 mph).^[603]
• Kettleby was hit with an F2 tornado that lasted 10.5 km (6.5 mi) on the ground; no major damage or injuries were reported.^[600][603]
• Rexdale, an informally-defined district of Toronto, saw three F0s. They lasted on the ground from 5.87 to 9.93 km (3.65 to 6.17 mi). One caused C$1.2 million in damages. No injuries were reported.^[600]

• July 8 - an F3 tornado went throughLloydminster, Alberta and Saskatchewan, causing one million dollars worth of damage.^[581][604]

• April 27 - an F2 tornado touched down nearNew Sarepta, Alberta.^[605]
• May 12 - an F1 tornado touched down near the town ofWhitewood, Saskatchewan.
• May 20 - a brief F0 tornado touched down in the southern outskirts ofSpruce Grove, Alberta.^[606]
• June 18 - a tornado struckEastern Ontario near the town ofWestport. It severely damaged a small group of buildings.
• June 22 - an F2 tornado struck nearWarren, Manitoba. It stayed on the ground for 31.7 km (19.7 mi). Another F1 also struck nearby.^[581]
• June 29 - ten tornadoes touched down across Alberta after a stationary front collided with a low pressure system and a cold front. The strongest was an F3 tornado that touched down nearAthabasca, destroying granaries and farm equipment. One person suffered serious injuries.^[581] An F2 also touched down north ofWestlock. Seven F1s touched down in or near the towns ofRocky Rapids,Stony Plain,Wabamun,Busby,Abee,Foremost, andMinburn. Two F0s were also spotted nearLesser Slave Lake andBaptiste Lake.
• July 8 - an F3 tornado was confirmed near the towns ofSt. Claude andRosenort, Manitoba, just east ofWinnipeg.
• July 15 - tornadoes touched down in the Pontiac andGatineau, Quebec, regions, including an F3 north ofPembroke, Ontario, that killed one person and caused $2 million in damages.^[607] Many buildings were damaged, and cottages completely destroyed. 38 people were injured by flying debris.^[608]
• August 14 - an F1 tornado hit the north part ofToronto, Ontario, causing millions in damage.^[608]
• September 2 - six confirmed tornadoes touched down inOntario, known as the Southwest Ontario Tornado Outbreak of 1984. Most were near the city ofLondon. 30 people were injured.

• May 20 - an F0 tornado touched down nearSt Raphael de Bellechasse, Quebec.
• May 31 - an F4 tornado hitBarrie, Ontario, becoming known as the1985 Barrie tornado. It was part of the bigger1985 United States–Canada tornado outbreak. There were 14 confirmed tornado touchdowns in the province. Twelve people were killed, eight in Barrie alone, and hundreds injured. The tornado destroyed more than 300 buildings, and damaged another 100, leaving 800 homeless. The cost was estimated at over $100 million. Another four people were killed by a second F4 tornado that struck close toGrand Valley,Orangeville andTottenham. That tornado had a touchdown path length of over 100 km (62 mi). Another confirmed F0 tornado hit theLeamington area, as part of the outbreak.
• June 18 - an F3 tornado was confirmed in the town ofSaint-Sylvère, Quebec.
• June 23 - An F1 tornado struck north ofVegreville, Alberta.^[581]
• June 28 - an F1 tornado caused $40,000 worth of damages inCochrane, Alberta.^[581]
• July 6 - an F1 tornado hit the Quebec communities ofLacolle andHemmingford.
• July 7 - an F1 tornado hit the Meadowvale area ofMississauga, Ontario, injuring 10 and causing $400,000 damage.
• July 22 - an F2 tornado hit the town ofPicture Butte, Alberta
• September 7 - a tornado touched down nearBig Rideau Lake, Ontario. The storm killed one person when it overturned a houseboat cruising on the lake.^[609]
• October 4 - a weak tornado touched down inWheatley, Ontario.

• June 1 - three tornadoes touched down inSaskatoon, Saskatchewan. There were no official ratings given for the tornadoes, although some damage indicated F3 strength winds. Roofs were thrown off houses and a warehouse was destroyed. No one was injured, and damage was estimated at over $1 million.
• June 16 - severe storms produced an F3 tornado that travelled fromBrady Lake toMaynooth, Ontario. Two other tornadoes were also reported.^[610]
• June 16 - an F3 tornado was confirmed near Lac Gareau, Quebec. It severely damaged summer chalets and overturned a truck. Two other tornadoes were reported further east. This was from the same weather system that had affected Ontario earlier in the day.^[610]
• June 18 - two tornadoes touched down nearHigh Prairie, Alberta, tossing farm equipment and tearing the roof off a house.^[611] A third tornado, an F2, grazed the outskirts ofProvost, causing $100,000 in damages.^[581]
• June 24 - a tornado touched down inTingwick, Quebec, damaging 12 properties.^[612]
• June 25 - an F1 tornado touched down southeast ofWainwright, Alberta.^[581]
• June 30 - one tornado touched down nearStirling, Alberta nearLethbridge, and another tore throughCayley, 60 km (37 mi) south ofCalgary. They destroyed a storage shed, tossed a van across the yard, and hurled a large horse against a barbed wire fence. No injuries were reported.^[613]
• July 9 - three tornadoes briefly touched down throughoutCentral Alberta. Two were spotted nearPenhold and one reported south ofSylvan Lake.^[614]
• July 13 - an F0 tornado hit the northeastern limits ofCochrane, Alberta.^[581]
• July 15 - one person was killed from an F0 tornado nearManiwaki, Quebec.
• July 29 - four tornadoes touched down in central Saskatchewan, causing minimal damage.^[610]

• May 28 - an F0 tornado struck the community of Glen-Sutton, Quebec.^[615]
• June 8 - an F1 tornado was confirmed near the town ofFort-Coulonge, Quebec, causing minor damage.
• July 22 - an F1 tornado was confirmed inFoam Lake Ontario. It was the only known tornado in Ontario that year.^[616]
• June 25 - eight tornadoes were confirmed in Alberta after storms tore through the province. The strongest was an F2 nearMilo. Six F1s touched down nearSpringbank,Ghost Pine Creek,Esther,Bow Island,Jalna, and in the town ofLacombe. An F0 also touched down nearEckville.^[581]
• July 26 - an F1 twister was confirmed near the town ofKinnear's Mills, Quebec.
• July 29 - an F1 tornado struck north ofGrande Cache, Alberta. It was on the ground for 5.64 km (3.51 mi) and had a max width of 310 meters.
• July 30 - an F1 tornado touched down in theCastle Downs neighborhood inEdmonton,Alberta, one day before a devastating F4 damaged or destroyed hundreds of buildings on the east side of the city. A second F1 also touched down in the town ofNisku.^[581]
• July 31 - one of Canada's deadliest tornadoes, an F4, ripped through the eastern part ofEdmonton, and parts of neighbouringLeduc County andStrathcona County. Known as theEdmonton tornado, it left 27 dead and 253 injured. It was the second deadliest tornado in Canadian history. Environment Canada has been under scrutiny in recent years as to whether or not the Edmonton Tornado should've been rated F5 or not. Seven other tornadoes were also confirmed around in theEdmonton Area andCentral Alberta on the same day; a F1 in southeast Edmonton, F2 nearBeaumont, and an F2 betweenMillet andVegreville that caused $40,000 in damages. The last four were given an F0 rating.^{[617][618][619]}

• May 1 - a weak unconfirmed tornado grazed easternVancouver,British Columbia.
• June 5 - eight tornadoes touched down around Alberta as storms tore through the province. Two F0s touched down south ofMundare and southeast ofElkwater. Five F1s were confirmed east ofOkotoks, north ofTofield, betweenOlds andDidsbury, south ofRyley, and south ofClive. The strongest of the day, an early-morning F2, also touched down near theSaddle Lake Reserve.^[620]
• June 10 - an F1 tornado touched down north ofVermilion, Alberta.^[621]
• June 29 - an F2 tornado hit the eastern part ofCardston, Alberta.^[581]
• July 14 - an F1 tornado hit the town ofAthabasca, Alberta.^[581]
• August 29 - a brief F1 tornado touched down nearFort Vermilion, Alberta.^[581]

• June 19 - eight tornadoes touched down over central Saskatchewan, with winds gusting up to 130 km/h (81 mph). Hail also shredded crops nearBlaine Lake.
• June 27 - an F1 tornado hit the north side ofEdmonton,Alberta.^[581]
• July 8 - an F2 tornado hit areas northeast ofWeyburn, Saskatchewan.^[581]
• June 15 - an F1 tornado touched down nearNordegg, Alberta.^[581]
• July 27 - a series of severe thunderstorms spawned an F1 tornado in the east end ofEdmonton,Alberta.^[600][581] The tornado injured two people, and damaged buildings and uprooted trees and power lines. It caused $500,000 in damages.^[600][622]
• August 2 - an F1 tornado touched down just northeast ofPigeon Lake, Alberta.^[623]
• August 14 - three tornadoes touched down in the province ofNew Brunswick. One hit the town of Carlisle, where trees were uprooted and a barn was destroyed. 22 out of 24 glass storm windows stored inside the barn were left undamaged.
• November 16 - an F2 tornado caused $2 million in damage in the community ofMont-Saint-Hilaire, Quebec. This tornado was part of theNovember 1989 Tornado Outbreak.

• June 28 - a large tornado touched down south ofSaskatoon, Saskatchewan.
• August 28 -Southern Ontario was hit by three tornadoes, in an outbreak associated with the1990 Plainfield tornado. The strongest was an F3, which hit near thePort Stanley area, destroying 10 homes in Frome, and barns nearSt. Thomas andDelaware, killing several horses. An F2 tornado also struckKomoka, nearLondon, destroying a church. An F1 tornado touched down near the small town ofKendal, just north ofNewtonville. Only six minor injuries were reported.^[624]

• March 27 - an early season tornado struckSarnia, Ontario, causing over $25 million in damage.^[625]
• June 23 - an F0 tornado touched down just north ofCardston, Alberta.^[626]
• July 28 - a brief F0 tornado touched down inEdmonton,Alberta. It crossed theNorth Saskatchewan River before dissipating.^[581]
• August 1 - an F0 tornado hitForest Heights Park inEdmonton,Alberta.^[581]
• August 27 - an F3 tornado touched down in theMauricie region. The town ofMaskinongé was hardest hit among three communities, with 60% of its buildings damaged. Fifteen people were injured and the estimated damage cost was upwards of $25 million.^[627]

• June 22 - tornadoes touched down across southern Manitoba, including two F1s nearWinkler and an F0 inSt. Claude.^[581]
• June 24 - tornadoes, large hail and torrential downpours affectedsouthern Manitoba. Tennis ball sized hail fell nearMorden and winds gusting to 154 km/h (96 mph) were recorded atPilot Mound. There were seven confirmed tornado touchdowns and numerousfunnel clouds in Manitoba that day. There was some very crisp video footage of one F0 rope tornado traversing farmland nearKelwood. Ground scouring occurred and a hydraulic filter pipe was carried 600 yards (550 m) before being embedded about 5 feet (150 cm) into ground.^{[628][629][630]} The region had been affected by severe weather the day before as well.^[631]
• August 8 - an F1 tornado struck north ofDeloraine, Manitoba.^[581]

• June 12 - four tornadoes touched down across Manitoba as intense thunderstorms ripped through the area. The strongest, an F1, touched down west ofBrookdale. Three F0s also touched down nearBirtle,Fisher Branch, andAlexander.^[632]
• June 22 - three weak tornadoes touched down in Manitoba. Two F0s touched down nearGladstone, Manitoba, and an F1 touched down west ofShell River.^[633]
• July 9 - an F1 tornado touched down inWest Nipissing, Ontario, and travelled east for 15 km (9.3 mi). Originally rated F2, this tornado was downgraded after survey teams discovered the houses that had been destroyed were mobile homes, not wood-framed houses.^[634]
• July 29 - a series of violent thunderstorms tracked acrossCentral Alberta, spawning three tornadoes. The strongest of these was an F3 inHolden, 90 km (56 mi) east of Edmonton. An F0 touched down in nearFalun, east ofPigeon Lake, and an F1 tornado was reported 60 km (37 mi) northeast ofLac La Biche.
• August 1 - an F0 tornado touched down northwest ofSault Ste. Marie, Ontario.^[635]

• June 14 - an F2 tornado uprooted trees and hydro poles onCaliper Lake, Ontario.^[636]
• June 30 - an F2 tornado hit southeast ofKenora, Ontario, destroying boats, blowing apart cottages, and uprooting trees.
• July 9 - one person was killed when an F2 tore through the town ofSaint-Charles-sur-Richelieu, Quebec. Three other people were injured, and about a dozen homes were damaged.
• July 10 - an F4 tornado tore through Birtle, Manitoba, which tracked for 29.4 km. The tornado destroyed several farm houses and barns, injuring 2 during its lifetime.
• August 4 - an F3 tornado touched down inAylmer, Quebec, across the river fromOttawa, injuring 15 people. The tornado path was 8 km (5.0 mi) long and caused major damage to a downtown residential subdivision, including homes destroyed. A second tornado had previously touched down just across theOttawa River inCarp. In Quebec, other tornadoes touched down nearLaurel andRawdon.^[637][638]
• August 27 - a F4 tornado hit rural farmland nearTurtle Mountain, Manitoba. Devastation was especially visible at MayfairHutterite Colony, and there was well over $1 million in damage. There were no injuries or deaths.

• June 20 - thunderstorms rumbled for seven hours over Manitoba, producing 90 km/h (56 mph) winds which blew trees and power lines over. The storm produced a weak tornado.
• July 15 - a large progressivederecho thunderstorm produced severe winds over an expansive area of the centralGreat Lakes andNew England overnight. It also contained at least six tornadoes that hitCentral Ontario, most centred on or north of theKawartha Lakes. The strongest was an F2 tornado that destroyed a marina atBridgenorth and overturned a houseboat onLake Chemong, trapping 20 occupants for a few hours until they were rescued, just north ofPeterborough. One person was killed in Bridgenorth.
• July 15 - an F3 tornado touches down just west of Sault Ste Marie, Ontario. The tornado touched down near Pointe Des Chenes campground and moved through a heavily wooded area downing all trees in its path. The tornado then demolished 3 seasonal camps two of which were completely destroyed. 3 houses suffered significant damage, one house had the entire second floor ripped a part. The tornado would also rip the entire roof off one house well another house had its roof ripped off and the front exterior wall demolished.
• July 26 - a tornado inFredericton, New Brunswick, took the roof off a government building and damaged a tennis court dome.
• August 14 - a tornado touched down nearBarrie, Ontario.
• August 29 - several farms were destroyed when a tornado lasting a couple of minutes affectedSpring Valley, Saskatchewan, nearMoose Jaw.

• April 20 -Multiple tornadoes hitGrey,Wellington andDufferin counties. Two F3 class tornadoes touched down in Grey County (Williamsford), Wellington County and Dufferin County. Significant property damage occurred; nine people were injured by the two tornadoes. These tornadoes were part of the largerTornado outbreak sequence of April 1996.
• May 20 - a strong thunderstorm damaged one of the four screens of a drive-in theatre atThorold, Ontario, in theNiagara Region. Coincidentally, this drive-in was planning to show the movieTwister that evening. Eyewitnesses reported seeing a small funnel cloud, but the physical evidence was inconclusive. Distorted and exaggerated media reports of this event abound; most claimed that the storm blew down the screen whileTwister was being shown on it. The storm actually took place before sundown. However, a small tornado did touch down inStoney Creek that same evening.
• July 4 - an estimated nine tornadoes touched down in theSaskatoon,Maymont andOsler, Saskatchewan, areas. An F3 was measured in the Maymont area, destroying power lines. Homes and property were damaged in the Osler area. Wind gusts in Saskatoon reached 120 km/h (75 mph) and 141 km/h (88 mph), damaging many trees and properties on the east end of the city. A drive-in theatre and a nightclub on the eastern outskirts of the city were also heavily damaged; ironically, the movie that was going to be shown at the drive-in that night wasTwister.
• September 6 - A tornado struckTrinity, Newfoundland, damaging houses and a shipyard building.^[639][640]

• June 24 -Lantz, Nova Scotia, F0 tornado touched down in a local ball field at approximately 4:45 pmADT (UTC−03:00). Golf ball sized hail and intense lightning were also reported with this storm.
• July 2 - during theSoutheast Michigan tornado outbreak, an F1, an F2, and an F3 hitWindsor, Ontario, and surrounding areas. See the article for more in-depth information.
• July 4 - an F2 tornado touched down nearGrand Falls, New Brunswick. A roof was torn off a building, and farmers' fields were ripped up. The same line of storms also dropped an F2 tornado inMatapédia (New Brunswick/Quebec border), where a couple of barns were destroyed.

• June 2 - during a wider severe weather outbreak (derecho thunderstorm) that struckSouthern Ontario in the mid-afternoon, an F1 tornado descended near Holbrook around 3:50 pm EDT (UTC−04:00) and travelled southeastward toNorwich, damaging many buildings, including a church. There were also tornado reports inElmvale andDunnville, and several reports of funnel clouds, hail, and high winds.
• July 10 - an F2 tornado touched down in Charleston, New Brunswick, leaving a 90 m (300 ft) by 7 km (4.3 mi) path of damage. A mobile home was thrown 30 m (98 ft) and totally destroyed. There were minor injuries to the residents in the home.
• July 19 - a weak tornado hitDaysland, Alberta, about 50 km (31 mi) east ofCamrose. It damaged power lines, knocking out power to surrounding communities.
• August 11 - a small F1 tornado went through part ofSaint-Émile, Quebec City, in the suburbs ofQuebec City. It overturned a shed and caused a citywide electricity loss when a garage was slammed into an electric pole.

• May 8 - a tornado overHull, Quebec, caused $2M damage and tore roofs off buildings. It was caused by the same system that produced the1999 Oklahoma tornado outbreak between May 3 and May 8. It was the second significant tornado in theHull-Gatineau area in five years.
• May 18 - three tornadoes touched down close to the western limits ofSaskatoon, Saskatchewan. The supercell associated with the tornadoes pelted the city with quarter-sized hail, wind gusts of nearly 100 km/h (62 mph), and over 51 mm (2 in) of rain fell from the half-hour storm.
• July 3 - an F2 tornado north ofKimberley, Ontario, destroyed barns, damaged farmhouses, and uprooted or snapped hundreds of trees.^[641]
• July 6 - aBois-Francs, Quebec, region tornado left 4,000 without power and 200 in need of temporary shelter inBerthierville,Yamaska andDrummondville. Environment Canada records show one person was killed in the event.^[627]
• August 4 - an F2 tornado with a twisting but narrow path caused damage in the rural north end ofBurlington, Ontario, relocating amotorhome 2 km (1.2 mi) from where it was parked. The tornado track was over 10 km (6.2 mi) long.
• August 18 - a small tornado struckPugwash, Nova Scotia, causing some localized structural damage. There were no serious injuries.

For tornadoes after 2000, seelist of 21st-century Canadian tornadoes and tornado outbreaks

• May 5 - an F0 tornado was confirmed near Hazzards Corners, Ontario, 8 km (5.0 mi) northeast ofMadoc. It left a 10 km (6.2 mi) long path, causing minor damage to a house and knocking over approximately 100 trees.^[642]
• May 9 - twoanticyclonic tornadoes touched down inSouthern Ontario, causing minor damage. The first was given an F0 rating, and occurred north ofAmherstburg. Multiple trees were knocked over along a 7 km (4.3 mi) path. The second tornado, an F1, touched down in Malden Centre. It tore the roof from a storage shed, and knocked over a large shipping container along a 1 km (0.62 mi) path. No injuries were reported with either storm.^[643]
• May 23 - an F2 tornado touched down nearAppin, Ontario, damaging a pig barn and killing several pigs. Multiple homes also sustained damage, andhydro poles were snapped. No injuries were reported.^[642]
• May 24 - a confirmed F1 tornado hitGloucester, Ontario, a suburb within the city ofOttawa. It snapped trees, tore the roof off a house and ripped the canopy from a gas station.^[644]
• June 22 - an F0 tornado was confirmed near the town ofQuyon, Quebec.^[615]
• July 14 - an F3 tornado struck Green Acres Campground inPine Lake, Alberta. Known as thePine Lake tornado, it killed 12 people and caused over $13 million in damage. It was ranked as the fourth deadliest tornado in Canadian history.
• July 17 - three tornadoes were confirmed inOntario after severalsupercell thunderstorms developed over the province. An F2 tornado formed over the city ofGuelph, lasting approximately 23 minutes and leaving a path of damage 13 km (8.1 mi) long. Damage was estimated at over $2 million and one minor injury was reported. The same storm also produced a second, unrated tornado nearWaterdown.^[645] The third tornado, an F1, occurred inSimcoe County, near the town ofMelduf. It snapped and uprooted trees, and caused minor crop damage. An aluminum shed was destroyed.^[646]
• July 18 - an F0 tornado touched down nearSaint-Jean-Chrysostome, Quebec.^[615]
• July 23 - an F3 tornado touched down and destroyed one home and tossed farm equipment nearMarwayne, Alberta, 35 km (22 mi) northwest ofLloydminster.^[647]
• July 24 - a tornado outbreak in southernManitoba spawned at least 4 confirmed tornadoes, including a large tornado which touched down for 10 minutes, from 6:10 pm to 6:20 pm, 5 km (3.1 mi) west ofBrunkild, Manitoba. The Brunkild tornado did not hit anything, resulting in an F0 rating. The other confirmed tornadoes were located north ofElm Creek, Manitoba (4:22 pm), 3 km (1.9 mi) north ofBrookdale, Manitoba(5:19 pm), west ofNeepawa, Manitoba(5:50 pm) and south ofPlum Coulee, Manitoba (6:08 pm).^[648]
• July 26 - a tornado touched down briefly nearWabamun, Alberta, about 70 km (43 mi) west ofEdmonton, causing minor damage.^[649]
• August 1 - a tornado struckViking, Alberta.
• August 6 - a tornado touched down nearElnora, Alberta, southeast of Pine Lake. The tornado occurred while people were gathering for a memorial service in Pine Lake for those who died in the Pine Lake tornado just a few weeks earlier.
• August 9 - a tornado was confirmed nearSangudo, Alberta.
• August 9 - an F1 tornado touched down nearTilbury, Ontario, destroying a barn and causing heavy damage to two farmhouses. No injuries were reported.^[644]

• List of Canadian tornadoes and tornado outbreaks (since 2001)
• List of fatal and violent Canadian tornadoes
• List of tornadoes and tornado outbreaks
  • List of North American tornadoes and tornado outbreaks
• List of tornadoes striking downtown areas of large cities
• List of F5 and EF5 tornadoes
• Tornado myths
• Tornadoes of 2007