Conditions favourable for severe thunderstorms will build across portions of Ontario on Saturday as a low-pressure system ...

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

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

The Sudbury area is under a severe thunderstorm watch that could produce severe wind gusts, a tornado and heavy rain. Environment Canada said Saturday that wind gusts up to 110 km/hr, heavy downpours, ...

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

The EF2 tornado that hit Phelps on Monday was the strongest in New York this year, according to the National Weather Service.

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