A period of very cold wind chills is expected.What:Wind chill values near -40.When:Early this morning.###Cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia.Please 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.For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.