Residents in Brockville, Ontario, should prepare for a return to winter weather this week as temperatures are expected to drop following a mild Monday. After reaching a high of 11°C on March 9, 2026, the community will see a transition to snow and flurries starting Tuesday, March 10, 2026.
According to Environment Canada, the forecast calls for periods of rain or snow on Wednesday, March 11, 2026. By Thursday, March 12, 2026, there is a 60 per cent chance of flurries as the temperature is expected to fall to an overnight low of -9°C.
The Ministry of Transportation of Ontario advises drivers to check road conditions and travel with caution during winter weather. The mix of precipitation and freezing temperatures will likely create icy patches and slippery surfaces on city streets and sidewalks.
These wintry conditions are expected to continue through Saturday, March 14, 2026, with periods of snow persisting for several days. Commuters are encouraged to plan for slower travel times and prioritize safety on secondary roads and walkways during this cooling trend.