Thunder Bay weather forecast for Sunday, February 1, 2026

February 1, 2026: Thunder Bay’s Detailed Weather Forecast
Thunder Bay – Weather – Snow is back in the picture for Thunder Bay today as a system moves in on a falling barometer. It starts out mostly cloudy and cold this morning, then periods of snow settle in with around 2 cm expected.
Temperatures will climb significantly compared to the deep-freeze nights lately, but it will still feel wintry—especially with a gusty south wind developing this morning.
Today’s Weath