Issue date: 2025-07-15T09:28+00:00
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 slightly 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.htmlPlease 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.