Environment Canada has issued a humidex advisory for much of southern Ontario, with many areas under extreme heat warnings as the stifling weather continues. You can save this article by registering ...

1:51 Wildfire smoke results in poor air quality in Toronto, amid ongoing heat warning Southern Ontario is set to sizzle under another heat warning over the weekend, with temperatures hitting the low ...

Earlier, at the end of the winter season on Jun 13, the Toronto city authorities had to open several 'cooling centres' across the city to help resident avoid heat-related illnesses. The summer ...

Meteorologist at Environment and Climate Change Canada Steven Flisfeder discusses heat warnings, early summer heat events, high humidex values, and their impact.

Islanders are being warned Friday to be careful outside because the temperature could hit 32 C and the humidex, a combination of the heat and humidity, could climb to a rare 40. After a cool early ...