As high heat continues, thunderstorms are increasing concerns about lightning strikes starting fires across the province ...

Toronto is under its fifth heat warning this year, outpacing the number of heat events that happened last year, according to ...

Environment and Climate Change Canada has issued heat warnings for a good chunk of B.C.'s Interior this week, as temperatures ...

The Windsor-Essex, Chatham-Kent and Sarnia-Lambton region is once again under a heat warning, Environment Canada said.

Environment Canada meteorologist Steven Flisfeder confirmed four heat warnings have been issued in the London area as of July ...

Daytime high temperatures near 30 C with overnight low temperatures ranging between 14 to 18 C are forecast to begin ...

Environment Canada issues heat warnings if the daytime temperature is above 30 C for two or more days, and the overnight ...

Sweltering summer temperatures caused heat warnings across six provinces and territories on Tuesday, with parts of Ontario ...

Environment Canada says a multi-day heat event for parts of Ontario and Quebec is set to begin on Sunday with a humidex that ...

Sweltering heat reaching a potential high of 38 C in some areas will continue Wednesday, prompting the continuation of a ...

The forecast for the week of July 28, 2025 calls for mainly sunny conditions and highs reaching into the mid-30s C for the ...

Environment Canada says a multi-day heat event for parts of Ontario and Quebec will begin on Sunday, with a humidex that will ...