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.

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

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 ...

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

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

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

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

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

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

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

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

A severe thunderstorm capable of producing a tornado has been detected in southern Ontario. Residents in the affected region should be in their shelters.