Active Weather Alerts
Heat Warning
Issued: 9:01 AM Jul. 14, 2025 – Environment and Climate Change Canada
The heat will return on Tuesday and Wednesday What: Maximum temperatures ranging between 31 and 33 degrees Celsius, combined with high humidity, will result in humidex values approaching 40. In addition, nights will be warm, with minimum temperatures ranging between 20 and 23 degrees Celsius. When: Tuesday and Wednesday Where: Greater Montreal, Lachute, Lanaudière, Montérégie and Drummondville. ### Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion. For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
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