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 ...

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.

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 ...

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

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

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 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 ...