Environment Canada issued tornado and severe thunderstorm warnings for parts of northwestern Ontario on Sunday.

Parts of southern Ontario could get severe thunderstorms with a risk of a tornado on Thursday. While the heat warning ...

Any severe thunderstorms that form across northwestern Ontario could pack damaging winds, large hail, and heavy rainfall. One ...

Farther north, a cold front over far northwestern Ontario will force the development of several rounds of additional ...

Thursday is shaping up to be the most active day of the week for severe weather potential in Ontario and Quebec, with a ...

A tornado warning is in effect for the Espanola and Killarney areas.

Severe thunderstorm warnings rumbled across eastern Ontario and western Quebec from about 6:30 to 10:30 p.m. When the storm ...

Severe storms swept across Ontario Thursday, cutting power to thousands and toppling trees and power lines. Officials are ...

Environment Canada issued a tornado warning for Sharbot Lake and area on the evening of Thursday, Jul. 24, 2025. “At 9:12 p.m ...

Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe thunderstorm could possibly produce a tornado in communities such as ...

Multiple rounds of severe storms are likely across eastern Ontario, southern Quebec, and northern New Brunswick Thursday. These storms could carry all hazards, including the potential for tornadoes in ...

Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado ...