Environment Canada has issued and Extreme cold warning for Toronto and all of the GTA.
The weather agency warns of a period of very cold wind chills as a cold front will pass through the regions tonight.
Very cold wind chill values between about minus 30 and minus 35 are expected overnight and Saturday morning. Wind chill conditions will improve only marginally on Saturday afternoon, then fall below minus 30 again on Saturday night.
It looks like we’ll warm up a bit on Sunday, with a high of -10 C followed by a high of -6 C on Family Day Monday.
Toronto also remains under an Extreme Cold Weather alert.
It was issued Thursday morning just before 7:30 and is expected to remain in effect for most of the Family Day long weekend.
The alerts are issued by the Medical Officer of Health when Environment Canada forecasts a temperature of at least -15 C or a windchill of at least -20c.