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

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across ...

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 ...

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

Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado season.

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

Folks across Ontario should pay close attention to watches and warnings on Saturday as thunderstorms fire up 5:10 p.m. EDT - Severe thunderstorms prompted a tornado warning in northern Ontario on ...

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

Widespread risk of heavy rain and strong winds across Ontario as strong storms develop Saturday. A tornado threat also exists ...

A tornado warning has been issued for several municipalities in eastern Ontario. Shortly before 3:30 p.m. this afternoon, ...

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