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

A severe storm risk continues from Windsor, Ontario, to Quebec City, as a cold front slices through a very hot and humid air ...

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

Thunderstorms are working their way through southeastern Ontario as a heat wave continues to blanket parts of the province.

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 ...

Localized flooding and strong wind gusts will be the predominant threats Sunday—but some rotation can’t be ruled out ...

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across northeastern Ontario, moving southeast into cottage country. A warm front and ...

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

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