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

A slight cool down is expected by Wednesday, with temperatures easing and the possibility of the heat warning being lifted.

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 ...

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

Main Square Community Recreation Centre and Birchmount Community Centre pools were closed with humidex ratings between 40 and 45 C ...

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

Toronto is back under a heat warning, with daytime highs climbing to between 30 and 34 C, according to Environment Canada, ...

A heat warning is in effect for Mississauga, Brampton, the Greater Toronto Area and much of southwestern Ontario beginning ...

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.

Environment Canada has issued a heat warning for Hamilton, Burlington, Niagara and area with a heat event is expected to ...