Environment Canada says up to 80 mm of rainfall is possible in some areas. These storms are part of the same system that sparked possible tornadoes in southern Ontario on Wednesday.
3 Day Pollen Outlook
Updated: Thursday, August 21, 2014, 7:00 AM
|Low 0-20 grains/m³||Moderate 21-80 grains/m³||High 80+ grains/m³|