Southern Ontario Faces Severe Thunderstorm and Tornado Risk

Southern Ontario is facing a widespread severe thunderstorm risk on Thursday, June 25, with potential for large hail (toonie-sized or larger), damaging wind gusts exceeding 100 km/h, torrential rainfall, and isolated tornadoes. The most favorable areas include Sarnia, Chatham, Grand Bend, Goderich, and London, with isolated thunderstorms also possible further east into parts of the Golden Horseshoe and Central Ontario.