Active Weather Alerts
Heat Warning
Issued: 1:08 PM Jul. 25, 2025 – Environment and Climate Change Canada
A heat event continues today. What: Daytime high temperatures near 30 degrees Celsius. Peak humidex values near 40. Nighttime low temperatures near 21 degrees Celsius, providing little relief from the heat. When: Continuing today. Additional information: Cooler temperatures are expected on Saturday, offering some relief from the heat before temperatures possibly rise again on Sunday. ### 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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