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

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

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

Staff at two of Toronto's indoor pools refused to work on Tuesday, citing unsafe working conditions due to excessive humidity ...

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 ...

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

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

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

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

After a brief reprieve, southern Ontario is under another heat warning this week. There were slightly lower temperatures on Saturday but the heat warning returned on Sunday. On Monday, Environment and ...

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

A heat warning covering much of the Greater Toronto Area is expected to end on Wednesday night, Environment Canada says.