Environment Canada issues yellow cold warning for southwestern Ontario CTV NewsToronto is locked in an Arctic grip. Meteorologists say it hasn’t happened in ‘over 10 years’ CP24Weather alert for frigid temperatures, frostbite risk issued for GTA this weekend CBCCold alerts could soon break in southern Ontario, but predicted to return next week Toronto StarSouthern Ontario under cold warnings with frigid wind chill near -40 C Global News
