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.

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 ...

Following a string of severe emergencies across Ontario County, Board of Supervisors Chair Jared Simpson has issued a public ...

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, ...

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

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

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

Syracuse, N.Y. -- A tornado with winds up to 115 mph spun for nearly two miles just north of Geneva on Monday afternoon, ...

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

Two notable troughs will bring multiple days of storms to the Prairies, Ontario, and Quebec for this second week of July ...

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