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 ...

Severe weather moves East from Southern Ontario with raised instability threat throughout Eastern Ontario and Southern Quebec ...

A muggy airmass draped over southern Ontario heading into this weekend will set the stage for a multi-day risk for strong to severe thunderstorms across the region. We’ll see the potential for storms ...

The National Weather Service out of Buffalo has confirmed a tornado did touch down Monday in the Town of Phelps (Ontario ...

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

PHELPS, N.Y. – The National Weather Service confirmed that an EF2 tornado touched down in the Town of Phelps in Ontario ...

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, ...

A severe thunderstorm capable of producing a tornado has been detected in eastern Ontario. Residents in the affected region ...

Ontario County Sheriff David Cirencione said one house on County Road 23 was actually shifted off its foundation.

4:18 p.m. CDT - A tornado watch remains in effect across portions of northern Ontario as a line of severe thunderstorms moves ...