Active Weather Alerts
Heat Warning
Issued: 6:00 PM Jun. 21, 2025 – Environment and Climate Change Canada
Dangerous heat and humidity beginning Sunday afternoon. The first significant heat event of the season with dangerously hot conditions will begin Sunday afternoon and is expected to end Monday night. What: Daytime highs of 30 to 32 degrees Celsius. Humidex values near 40. Overnight lows of 18 to 21 degrees Celsius, providing little relief from the heat. When: Sunday afternoon to Monday night. Additional information: The extreme heat and humidity may continue into Tuesday. A cold front is expected to push through the region Monday night but there is some uncertainty with how far south this front will get. Should it remain farther north, the heat event may continue for Tuesday primarily for Sudbury, West Nipissing, North Bay and Espanola - Killarney regions. ### 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.
Local Radar