Sweet Grass Weather Forecast

    • 10
    • 22

    Blustery

    • 31
    • 42

    Mostly Cloudy

    • 36
    • 48

    Breezy

    • 26
    • 45

    Chance Rain/Snow

    • 12
    • 37

    Slight Chance Snow

    • 11
    • 27

    Chance Snow

Today 13 Dec Eastern Glacier

Not as cold. Cloudy in the morning then becoming partly sunny. Highs 20 to 32. Southeast Winds 5 to 15 Mph with Gusts to around 35 Mph.

Tonight 13 Dec Eastern Glacier

Mostly cloudy. Lows 9 to 19. Temperatures rising into the lower 30s after midnight. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweet Grass Temperature Statistics

December Temperature

Cut Bank, Cut Bank Municipal Airport (32.3 miles)

  • Lowest 6 December, 2025

    8.1 °F

  • Average December

    30.8 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Cut Bank, Cut Bank Municipal Airport (32.3 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.3 °F
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