Part of Ontario faces a tornado risk Tuesday amid the threat of severe storms, Environment Canada says. The weather agency has issued severe thunderstorm watches for some northern areas of the ...

Ontarians should brace for multiple days of active weather beginning Tuesday, with severe thunderstorms and a slight tornado risk taking aim at parts of northern Ontario. By Wednesday, the storm risk ...

A tornado warning has been issued for Savant Lake and Sturgeon Lake in northwestern Ontario. Here's the latest from ...

A risk for thunderstorms will redevelop on Sunday as a cold front pushes into an unstable atmosphere across southern Ontario.

Conditions favourable for severe thunderstorms will build across portions of Ontario on Saturday as a low-pressure system ...

Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe ...

Severe weather is impacting multiple Canadian provinces, with heavy rainfall and thunderstorms causing widespread alerts.

High humidity and a strong cold front will exacerbate unstable conditions in southern Ontario and Quebec, with risks ranging ...

Severe weather researchers say a weak tornado touched down in a community north of London, Ont., on Monday afternoon.

Severe weather moves east from southern Ontario with raised instability threat throughout eastern Ontario and southern Quebec ...