Thunderstorms Across Ontario, Hail and Tornadoes Possible
It will be an unsettled day across most of Ontario,
Across northeastern Ontario, rainfall amounts of 15 to 25 mm are possible. Locally higher amounts with thunderstorms.
In southern Ontario, there is a slight risk of severe thunderstorms east of a line from central Lake Erie to Petawawa. The main threat is strong wind gusts, although there is a small chance of a tornado and hail in Eastern Ontario.