Active Weather Alerts
Heat Warning
Issued: 7:10 PM Jul. 11, 2025 – Environment and Climate Change Canada
A warm and humid weekend. What: humidex near 40. When: Saturday and Sunday. Where: Greater Montreal. Additional information: maximum temperatures will be between 29 and 32 degrees Celsius, with lows of 20 degrees Celsius or higher. ### 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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