Possible tornado, hail and torrential rain in GTA's forecast. Here's everything you need to know

A severe thunderstorm watch is in effect for a large portion of Ontario, with orange-level alerts indicating major or widespread risks. While no tornado warnings are currently active, the atmospheric conditions—heat, humidity, and a cold front—make tornadoes possible. Severe thunderstorm warnings have been issued for specific areas, including Shelburne and near London, bringing risks of damaging winds, hail, and heavy rain.