Today's official Canadian outlook
Canada does not publish a single US-style national tornado-outlook map. Instead, Environment and Climate Change Canada (ECCC) issues severe-thunderstorm and tornado watches and warnings region by region, in real time. These are the authoritative live sources — always current, no waiting:
Tip: bookmark the ECCC Warnings Map during storm season. A tornado watch means conditions are favourable; a tornado warning means one is imminent or occurring — take shelter now.
How Canada forecasts tornadoes
ECCC meteorologists at regional Storm Prediction Centres watch the same ingredients that drive tornadoes anywhere — warm, moist low-level air, cold air aloft, instability, and wind shear. When those line up, they issue a severe thunderstorm watch and, if rotation is detected on radar or spotted on the ground, a tornado warning for the specific area. Canada also relies heavily on public storm reports and, since 2017, the Northern Tornadoes Project, which uses satellite and drone surveys to confirm tornadoes in remote areas that once went unrecorded — revealing that Canada gets far more tornadoes than long assumed.
Where tornadoes strike in Canada
Canada is the second most tornado-prone country in the world after the United States, with well over 60 confirmed tornadoes in an average year. The risk concentrates in two corridors:
| Region | Season | Notes |
|---|---|---|
| Southern Prairies (Alberta, Saskatchewan, Manitoba) | June–August | The Canadian heart of Tornado Alley; site of the F5 Elie, Manitoba tornado of 2007. |
| Southern Ontario & Quebec | May–September | Densely populated and frequently hit; the deadly Barrie 1985 and Edmonton-style events. |
| Southern Quebec & Atlantic | Summer | Less frequent but not immune, including the 2018 Ottawa–Gatineau outbreak. |
Explore the full record on our Canada tornado history page, or drill into a province: Ontario, Alberta, Manitoba, Saskatchewan, and Quebec.
Staying safe in Canada
Keep alerts on during the summer storm season — the free ECCC WeatherCAN app and Alert Ready send tornado warnings straight to your phone. When a warning is issued, shelter in a basement or a small interior room on the lowest floor, away from windows. See our full tornado safety guide.