heat warning in effect Dangerous heat and humidity continues. The first significant heat event of the season with dangerously hot and humid conditions will continue today. What: Daytime highs of 30 to 33 degrees Celsius. Humidex values of 40 to 43. Overnight lows of 20 to 22 degrees Celsius, providing little relief from the heat. When: Now through tonight. Additional information: The heat event may continue into Tuesday, but at this time it appears that conditions Tuesday will remain below heat warning criteria. ### 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.
