Heat warning persists for southern Ontario, with humidex values into the 40s

People escape the heat and humidity at Cherry Beach in Toronto, Tuesday, Aug. 27, 2024. THE CANADIAN PRESS/Paige Taylor White

A heat warning in southern Ontario has people in the Greater Toronto Area seeking relief in urban parks on Monday, with humidex values making it feel as warm as 43 C in some regions.

Jim Earl and his partner made sure to wake up early Monday morning to play tennis and go for a run before it got too hot outside. 

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