NetNewsLedger Weather Update – Thunder Bay
7:08 PM EST | Wednesday, December 24, 2025
Impact Level: Moderate | Forecast Confidence: High
Alert: Yellow Warning – Snowfall
THUNDER BAY – WEATHER – Thunder Bay is headed for a significant snowfall Thursday night, with 15 to 20 cm expected and locally higher totals possible near Lake Superior.
With 15–20 cm expected Thursday night into Friday morning, plus blowing snow near Lake Superior. Travel conditions may be challenging—plan extra time.
What to Expect
A band of snow—heavy at times—moves in Thursday evening and continues overnight into Friday morning. With winds gusting up to 50 km/h near Lake Superior, periods of blowing snow may reduce visibility quickly, especially in exposed areas.
Timing
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Begins: Thursday evening
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Heaviest snow: Thursday night
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Tapers: To flurries by Friday morning (some areas closer to Lake Superior may linger a bit longer)
Travel and Safety
Roads and walkways will likely become snow-covered and slippery, with reduced visibility in heavier bursts. If you’re travelling for the holiday, plan extra time and expect changing conditions.
Current Conditions (Thunder Bay Airport – 7:00 PM)
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Temperature: -4.5°C (Wind Chill -10)
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Condition: Mostly Cloudy
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Wind: NW 15 km/h
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Visibility: 24 km
Quick Forecast Snapshot
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Tonight: Mainly cloudy, low -13°C
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Thu (Christmas Day): Cloudy, 40% chance flurries late, high -6°C
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Thu Night: Snow at times heavy, 10–20 cm, temperature rising toward -3°C by morning
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Fri: Cloudy, 40% chance of snow, high +1°C
