Active Weather Alerts
Heat Warning
Issued: 2:54 AM Jun. 22, 2025 – Environment and Climate Change Canada
Heat and humidity beginning this afternoon. Hot and humid conditions will develop this afternoon and are expected to end Sunday night. What: Daytime highs of 28 to 30 degrees Celsius. Humidex values near 40. Overnight lows near 18 degrees Celsius, providing little relief from the heat. When: This afternoon to Sunday night. Additional information: ### 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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