‘Good chance’ tornadoes will touch down during severe thunderstorms in southern Ontario. Live updates here. CTV NewsToronto under severe thunderstorm warning with extreme weather on the way CityNews TorontoYellow warning in effect for parts of York Region as severe thunderstorm moves across GTA. Live updates here. CTV NewsThunderstorms, rain looming for Toronto as heat warnings hit southern Ontario Global NewsToronto opens emergency operations centre ahead of ‘very strong storms’ this afternoon CP24
