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 ...

Widespread risk of heavy rain and strong winds across Ontario as strong storms develop Saturday. A tornado threat also exists ...

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.

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

3:21 p.m. EDT - A tornado watch is in effect across portions of northern Ontario amid a severe storm threat on Saturday ...

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

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

Strong thunderstorms moving through southern Ontario produced a tornado north of London on Monday afternoon. A humid and ...

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