Residents in Grimsby, Ontario, should prepare for a major weather shift as temperatures are expected to climb to 14°C before dropping below freezing by the middle of the week. This rapid change may create slippery roads and sidewalks throughout the area.
According to Environment Canada, the town will see a high of 13°C on Monday, March 9, 2026. The warm weather continues into Tuesday, March 10, with temperatures reaching 14°C along with rain and showers.
The mild conditions will end quickly by the night of Wednesday, March 11, when temperatures are forecasted to fall to -2°C. This shift will likely bring a mix of rain and flurries, which can cause water on the ground to freeze suddenly.
Community members are encouraged to clear debris from storm drains to help manage water from rain and melting snow. Drivers and pedestrians should watch for icy patches on roads and sidewalks as the temperature drops.
