Active Weather Alerts
Heat Warning
Issued: 4:12 PM Jul. 28, 2025 – Environment and Climate Change Canada
Heat and humidity continues today. What: Daytime maximum temperatures up to 31 degrees Celsius. Peak humidex values near 40. When: Continuing through today. Ending tonight. Additional information: Daytime high temperatures are expected to lower on Tuesday, bringing an end to the heat event. ### 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 ONstorm@ec.gc.ca or post reports on X using #ONStorm.
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