Thunder Bay – Weather Desk Update – Thunder Bay is waking up to a frigid Thursday morning, with a partly cloudy sky and temperatures deep in the minus 20s. Winds are light, but it still feels bitter with a wind chill near -31.
A few flurries are possible this morning, then skies stay mostly cloudy through the day before clearing tonight.
Today’s Weather Overview
Current Conditions (Thunder Bay Airport – 6:00 AM EST)
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Temperature: -26.4°C
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Condition: Partly Cloudy
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Wind: SW 4 km/h
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Wind Chill: -31
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Humidity: 78%
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Pressure: 102.8 kPa (falling)
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Visibility: 24 km
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Dew Point: -29.1°C
Today (Thu, Jan 29)
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Sky: Mainly cloudy with a 30% chance of flurries this morning
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Wind: Up to 15 km/h
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High: -16°C
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Wind Chill: -30 this morning, improving to about -22 this afternoon
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UV Index: 1 (Low)
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Safety: Frostbite risk remains—especially early today.
Extended Weather Forecast
Friday, Jan 30
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Sky: Mainly sunny
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High: -12°C
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Wind: Up to 15 km/h
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Wind Chill: -29 in the morning, around -19 in the afternoon
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Night: Clear, low -22°C
Saturday, Jan 31
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Sky: Sunny
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High: -8°C
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Night: Cloudy periods, low -12°C
Sunday, Feb 1
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Sky: 60% chance of snow
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High: -5°C
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Night: 40% chance of flurries, low -15°C
Wardrobe Recommendations
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Dress in layers: thermal base, warm mid-layer, and a windproof winter coat
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Mitts, insulated boots, and a warm hat are key at wind chills near -30
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Add a neck gaiter/balaclava if you’ll be outside for more than a few minutes
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Keep extra gloves/hat in the car—cold weather turns small problems into big ones fast.
Weather Trivia
Cold, clear nights like the one expected tonight often happen when skies clear and winds ease—heat escapes quickly from the ground, and temperatures can drop fast even without new snow.
Summary
Thunder Bay weather forecast for Thursday, January 29, 2026: bitter cold near -26°C with wind chill -31, a chance of morning flurries, and clearing tonight. Gradual warming trend into the weekend with snow chances Sunday.
