Lewis & Clark National Forest Weather Forecast

    • 32
    • 36

    Rain Likely

    • 25
    • 40

    Snow

    • 25
    • 42

    Snow

    • 12
    • 33

    Snow

    • 26
    • 37

    Chance Snow

    • 25
    • 35

    Slight Chance Snow

    • 26
    • 38

    Mostly Cloudy

Today 8 Dec Little Belt and Highwood Mountains

Windy. Mostly cloudy with a 20 percent chance of snow. Patchy blowing snow late in the morning. Patchy blowing snow in the afternoon. Visibility one quarter mile or less at Times late in the morning. Highs 34 to 42. Southwest Winds 15 to 30 Mph with Gusts to around 55 Mph.

Tonight 8 Dec Little Belt and Highwood Mountains

Windy. Mostly cloudy. Patchy blowing snow through the night. Slight chance of rain in the evening. Chance of snow through the night. Chance of rain after midnight. Visibility one quarter mile or less at Times. Lows 29 to 37. Southwest Winds 20 to 35 Mph. Gusts up to 65 Mph increasing to 75 Mph after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis & Clark National Forest Temperature Statistics

December Temperature

Malmstrom Air Force Base (35.4 miles)

  • Lowest 6 December, 2025

    16.3 °F

  • Average December

    30.5 °F

  • Highest 4 December, 2025

    40.3 °F

Climate (2020–Present)

Malmstrom Air Force Base (35.4 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    58.3 °F
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