Active Weather Alerts
Yellow Warning - Heat
Issued: 2:57 AM Jul. 2, 2026 – Environment and Climate Change Canada
Heat wave What: - daytime highs between 30 and 33 degrees Celsius and overnight lows between 20 and 24 degrees Celsius - Humidex values between 40 and 45 When: Wednesday, Thursday and Friday Additional information: Temperatures and humidity will decrease beginning on Saturday. ### 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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