Residents in Thunder Bay, Ontario, should prepare for a light snowfall on Saturday, March 21, 2026, as about five centimetres of snow is expected to cover the city. The snowfall is likely to affect morning travel and road conditions throughout the day.
According to Environment Canada, the weather system will also bring winds from the northeast at 20 kilometres per hour starting late Saturday afternoon. The daytime high temperature is expected to reach zero degrees.
As of March 20, 2026, there are no official weather alerts or warnings in place for the area. This level of snowfall is considered a standard late-winter event for the region and does not meet the typical threshold for a warning, which usually requires at least 15 centimetres of snow within 12 hours.
Motorists are advised to use caution and stay alert for slippery road conditions and limited visibility while driving. Residents should remain updated on the forecast as the snow moves through the community.
