February 4, 2026: Thunder Bay Extended Weather Forecast

THUNDER BAY – WEATHER – Thunder Bay starts Wednesday under mostly cloudy skies and deep cold, but the bigger story is what’s ahead: snow develops after midnight, then a wintry mix risk Thursday with freezing drizzle possible late morning into early afternoon.
Today’s Weather Overview
Current Conditions (6:00 AM EST)
At the 6:00 AM observation, Thunder Bay is mostly cloudy and -17.3°C, with west winds at 5 km/h giving a wind chill of -21. Pressure is 102.9 kPa and risi