Stratford News Wind Chill Warning again issued for Perth and Huron counties SHARE ON: Patrick Grapes, staff Thursday, Jan. 23rd, 2014 It’s back again. Environment Canada has issued another Wind Chill Warning for Perth and Huron Counties. Arctic air has settled in over Southern Ontario. Temperatures are expected to be in the minus 20’s tonight, but it’ll feel like it’s minus 30 to minus 35 degrees. Dress warmly and cover as much of your skin as possible if you have to be outside. Frostbite can happen in less than 10 minutes in this kind of cold.