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

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

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

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

A strong supercell thunderstorm that crossed parts of southwestern Ontario on Saturday produced three separate tornadoes in ...

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

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across ...

A risk for thunderstorms will redevelop on Sunday as a cold front pushes into an unstable atmosphere across southern Ontario. The storms will develop inland and track through the Greater Toronto Area ...

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across northeastern Ontario, moving southeast into cottage country. A warm front and ...

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

A line of severe thunderstorms crossed the border and made a mess in southwestern Ontario on Saturday, blocking streets with downed trees and knocking out power to thousands. The storms pushed through ...

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