THUNDER BAY – WEATHER – Thunder Bay is waking up to a deep mid-winter chill this Thursday morning, with temperatures near -24°C at the airport. The good news: it won’t stay that cold all day.
Clouds will thicken this morning and periods of snow arrive, helping temperatures climb toward -7°C this afternoon. Even with the “warm-up,” wind chills and frostbite risk remain a concern early today.
Today’s Weather Overview
Current Conditions (8:00 AM EST — Thunder Bay Airport)
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Temperature: -24.2°C
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Condition: Mostly Cloudy
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Wind: N 2 km/h
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Wind Chill: -26
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Humidity: 80%
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Pressure: 101.6 kPa (falling)
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Visibility: 24 km
What to Expect Today (Thursday, Jan 15)
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Becoming cloudy this morning, then periods of snow
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Snow amount: ~2 cm
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Wind up to 15 km/h
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High: -7°C
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Wind chill near -29 this morning, improving to around -11 this afternoon
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Risk of frostbite this morning
Extended Weather Forecast
Expected Conditions (Next Three Days)
Tonight (Thu, Jan 15):
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Flurries, adding 2 to 4 cm
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Wind up to 15 km/h
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Low: -10°C
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Wind chill near -13
Friday, Jan 16:
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Flurries
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Wind up to 15 km/h
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High: -4°C
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Wind chill near -13 in the morning, -8 in the afternoon
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Friday night: Cloudy periods with 60% chance of flurries, low -19°C
Saturday, Jan 17:
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Mix of sun and cloud with 40% chance of flurries
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High: -14°C
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Saturday night: Cloudy periods with 40% chance of flurries, low -26°C
Wardrobe Recommendations
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This morning: Dress for the cold snap—parka, insulated mitts, toque, and a scarf/neck warmer. Exposed skin can get into trouble quickly with wind chills near -30.
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This afternoon: As temperatures rise toward -7°C, keep layers you can adjust, but stay warm if you’ll be outdoors for long.
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Tonight into Friday: Expect fresh snow. Wear boots with good tread and consider traction aids if sidewalks pack down.
Weather Trivia
Thunder Bay often sees a “two-part winter day” during active patterns: bitter cold early, followed by cloud and snowthat nudges temperatures upward. It can feel like a big warm-up—yet it’s still firmly winter, especially once temperatures drop again Friday night into the weekend.
Weather Summary
Thunder Bay weather forecast for January 15, 2026: A very cold morning near -24°C with wind chills close to -29. Periods of snow today (about 2 cm) with flurries tonight (2–4 cm). Flurries continue Friday before colder air returns for the weekend.
