Grassy Lake Weather Forecast

    • -9
    • 44

    Snow Likely

    • -3
    • 2

    Snow Likely

    • 15
    • 19

    Mostly Cloudy

    • 31
    • 43

    Mostly Cloudy

    • 33
    • 45

    Breezy

    • 26
    • 42

    Chance Snow

Today 11 Dec Eastern Glacier

Breezy, cloudy. A 20 percent chance of snow late in the afternoon. Highs 44 to 52. Temperatures falling into the lower teens in the afternoon. North Winds 15 to 25 Mph with Gusts to around 40 Mph.

Tonight 11 Dec Eastern Glacier

Much Colder. Cloudy with a 50 percent chance of snow. Lows 1 below to 7 below zero. North Winds 5 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

December Temperature

Cut Bank, Cut Bank Municipal Airport (19.9 miles)

  • Lowest 6 December, 2025

    8.1 °F

  • Average December

    29.4 °F

  • Highest 9 December, 2025

    45 °F

Climate (2020–Present)

Cut Bank, Cut Bank Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.2 °F
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