Thunder Bay Weather – Chilly Temperatures and Light Snow Ahead


Thunder Bay: Residents in Thunder Bay should brace themselves for chilly temperatures and light snowfall over the next few days. Here’s a detailed look at the weather forecast:

Current Conditions:

  • Temperature: At 5:42 AM EST, it’s a brisk minus 6°C under mainly cloudy skies.

Monday, December 11:

  • Morning Flurries: The morning brings a 30 percent chance of flurries.
  • Wind Shift: By noon, the wind will become southwest at 20 km/h gusting to 40 km/h.
  • High Temperature: The daytime high is expected to reach minus 2°C.
  • Wind Chill: Prepare for a chilly morning, with a wind chill of minus 16°C. In the afternoon, the wind chill will improve but remain at minus 8°C.


  • Light Snowfall: During the night, anticipate periods of light snow with an estimated accumulation of 2 cm.
  • Blowing Snow: Local blowing snow is expected to occur overnight.
  • Windy Conditions: West winds will blow at 30 km/h gusting to 50 km/h.
  • Overnight Low: Temperatures will drop to minus 8°C, with a wind chill near minus 13°C.

Tuesday, December 12:

  • Flurries Ending: Tuesday morning will see flurries, which are expected to end in the afternoon.
  • Cloudy Skies: The rest of the day will be cloudy.
  • High Temperature: The daytime high will reach minus 6°C.
  • Winds: West winds at 30 km/h gusting to 50 km/h.
  • Wind Chill: Wind chill factors will be significant, with temperatures feeling like minus 18°C.

Tuesday Night:

  • Clear Skies: Tuesday night will be clear with no precipitation expected.
  • Low Temperature: The overnight low will drop to minus 12°C.

Weather Trivia: Did you know that Thunder Bay, situated on Lake Superior, experiences a unique microclimate influenced by the Great Lakes? This can lead to more moderate temperatures compared to other areas in Northern Ontario, especially during the winter months.

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