Smoke from forest fires in the Prairies will affect southern Ontario Wednesday night, Environment Canada says. The statement ...

A two-day heat event is expected to begin Thursday, with the humidity making it feel like the temperature is in the mid-40s.

On Friday, the mercury will dip slightly but will still be intense, with daytime highs near 30 °C and humidex values around 40.

Environment Canada says daytime highs will remain elevated on Wednesday, but cooler air could help end the heat warning.

Toronto is only halfway through summer and has already surpassed last year’s total number of heat warnings. The city is currently under a heat warning that started earlier this week, and has been ...

Tuesday and Wednesday are now expected to bring humid temperatures in the high 30s before a drop to 25 C on Thursday and ...

Southern Ontario is facing another heat wave with temperatures near 35°C and humidex values hitting 40, prompting warnings ...

A multi-day heat event has prompted Environment Canada to issue a heat warning for Toronto and most of southern Ontario.

Another heat warning has been issued for southern Ontario. The warning comes during a hot summer in the province with heat ...

Toronto residents are in store for yet another round of soaring temperatures from Sunday to Tuesday, Environment Canada says.

Warnings were issued for southern Ontario and southwest Quebec as hot and humid weather is expected to linger through Thursday.

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