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

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

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

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

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

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 line of severe thunderstorms crossed the border and made a mess in southwestern Ontario on Saturday, blocking streets with ...

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.

A muggy airmass draped over southern Ontario heading into this weekend will set the stage for a multi-day risk for strong to ...

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