The first heat event of the season continues.What:Daytime highs near 30 degrees Celsius.Overnight lows near 18 degrees Celsius.Humidex values between 35 and 37.When:Ending tonight.Additional Information:The heat event is expected to end tonight as a cold front is expected to move through Friday morning or afternoon.###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 ONstormec.gc.ca or post reports on X using #ONStorm.