Environment Canada warns of extreme heat across multiple provinces. Ontario is experiencing its hottest weather since the deadly heatwave of 1936.
Toronto is currently under a severe orange-level heat warning braces for what could be the hottest day of the year, with humidex in the mid-40s.
A multi-day heat event with temperatures climbing up to 37°C and humidex values expected to feel like 44°C to 45°C.
