Northern Ontario: Thunderstorm Outlook for Sunday, July 18, 2021

Forecast Discussion

A few isolated thunderstorms may develop across parts of Northern Ontario during the afternoon and evening on Sunday. The strongest chance for storms is to the north of Georgian Bay through Sudbury and North Bay. Any storms that develop should remain non-severe with small hail, strong wind gusts and heavy rainfall. The storm threat will come to an end by late evening.