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Environment & Climate Change Canada issues Heat Warnings across Canada.
A Heat Warning is issued when there is a forecast of two or more consecutive days with daytime maximum temperatures of 31°C (87.8°F) or warmer, together with nighttime minimum temperatures of 20°C (68°F) or warmer or when there is a forecast of two or more consecutive days with humidex values expected to reach 40°C (104°F) or higher.
Find out how you can stay safe.
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