Active Weather Alerts
Heat Warning
Issued: 3:21 PM Jul. 15, 2025 – Environment and Climate Change Canada
Hot and humid conditions expected today and Wednesday. What: Daytime highs of 28 to 31 degrees Celsius and a humidex of 33 to 38. Overnight lows of 19 to 23 degrees Celsius, providing little relief from the heat. When: Today through Wednesday. Additional information: Hot and humid conditions are expected. A cooler airmass is expected to arrive on Thursday bringing an end to this heat event. ### 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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