Active Weather Alerts
Heat Warning
Issued: 9:15 PM Jun. 29, 2025 – Environment and Climate Change Canada
Heat continues into Monday. What: Daytime high of 31 degrees Celsius. Overnight low of 21 degrees Celsius, providing little relief from the heat. When: Tonight through to Monday evening. Additional information: Showers and thunderstorms are expected to move through on Monday, ending the extreme heat and humidity by Monday evening. ### 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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