Grimsby, Ontario, residents should prepare for a sharp drop in temperature that is expected to create icy roads and slippery sidewalks following a very warm start to the week. According to Environment Canada, the temperature will reach a high of 14°C on Tuesday, March 10, 2026, before falling to -2°C by Wednesday night.
This dramatic swing from spring-like weather to freezing temperatures will be accompanied by rain that is expected to turn into flurries. This combination creates a high risk for flash freezing and the formation of black ice, making travel difficult for drivers and pedestrians. Drivers can find safety tips for these conditions through resources provided by Travelers.
The Niagara Region is advising people to exercise caution during this seasonal transition and to clear all snow and ice from their vehicles before driving. Residents are also encouraged to clear debris from storm drains to help manage runoff from melting snow, which can cause localized flooding on streets.
