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

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

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

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

Widespread risk of heavy rain and strong winds across Ontario as strong storms develop Saturday. A tornado threat also exists. Meteorologist Nadine Powell highlights the areas that could be hit.

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 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, ...

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

Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe ...

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

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 ...