Yellow Warning - Heat

Multi-day heat event beginning today.

What: Daytime highs of 29 to 31 degrees Celsius. Humidex values of 33 to 37. Nighttime lows of 17 to 20 degrees Celsius, providing little relief from the heat.

When: Continuing into Thursday and possibly Friday.

Additional information: A multi-day heat event is expected to end Thursday but may possibly continue into Friday.

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Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.

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 social media using #ONStorm.