Thursday night will see the windchill around -17C going to -30C overnightThis advertisement has not loaded yet, but your article continues below. Environment Canada says Toronto will experience a blast of arctic air Thursday and Friday with frostbite warnings both nights before a slight warming up on the weekend. Thursday night will see the windchill around -17C going to -30C overnight with a risk of frostbite. By the weekend, the high is expected to be -9C during the day and a low of -16C on Saturday night. One bright spot is no snow forecastThe only respite during this time is that there’s no snow in the forecast after Sunday’s historic storm.