Active Weather Alerts
Yellow Warning - Heat
Issued: 8:54 AM Jul. 2, 2026 – Environment and Climate Change Canada
Heat wave What: - daytime highs between 29 and 32 degrees Celsius - nighttime lows between 18 and 22 degrees Celsius - humidex values between 35 and 40 When: Wednesday, Thursday and Friday Additional information: Temperatures and humidity will decrease beginning on Friday evening. ### 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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