Southern Ontario: Thunderstorm Outlook for Thursday, July 22, 2021

Forecast Discussion

A cluster of non-severe thunderstorms may develop over Southern Quebec during the afternoon on Thursday and track into parts of Central and Eastern Ontario around the Quebec border by the evening. These storms won’t be particularly strong and shouldn’t pose much of a threat aside from some small hail, strong wind gusts, heavy rainfall and lightning. The thunderstorm threat will come to an end by late evening.