‘Extreme cold’: Greater Toronto and Hamilton Area could see -30 wind chills overnight CTV NewsExtreme cold conditions north of the city today SooToday.comWEATHER ALERT: -30 C wind chills raise frostbite risk across southern Ontario INsaugaParts of GTA under yellow cold warning overnight into Monday morning: Environment Canada CBCCold warnings across southern Ontario as temperatures feel like -30 to start March CityNews Toronto
