Active Weather Alerts
Yellow Warning - Heat
Issued: 8:53 AM May. 19, 2026 – Environment and Climate Change Canada
The first heat event of the season is expected to continue today. What: Daytime highs near 30 degrees Celsius. Humidex values near 36. When: Continuing today. Ending tonight. Additional Information: Temperatures may be cooler along the lake shores. ### 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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