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

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

Brockville – Environment Canada has issued a Heat Warning for Brockville, Leeds-Grenville and most of Eastern Ontario. A prolonged period of near heat warning levels begins today and extends ...

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

Severe storms move out of the Prairies, and into northern Ontario, but leaving a funnel cloud risk in parts of the eastern Prairies to start the weekend ...

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

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

A chance for more severe weather will reappear in Ontario and Quebec on Thursday, but the centre of attention will shift ...

Severe weather warnings and watches were issued for parts of southern Ontario Wednesday afternoon. Just after 2:30 p.m., Environment Canada said meteorologists were tracking a severe thunderstorm ...

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.

The National Weather Service in Buffalo has confirmed that a tornado touched down in Phelps on the evening of Monday, July 7.