Missoula International Airport Weather Forecast

    • 28
    • 34

    Rain/Snow

    • 32
    • 38

    Wintry Mix

    • 30
    • 40

    Rain/Snow

    • 32
    • 41

    Rain

    • 34
    • 44

    Rain

    • 33
    • 45

    Rain/Snow

Today 4 Dec Missoula/Bitterroot Valleys

Areas of snow until late Afternoon, then snow with rain likely late in the afternoon. Patchy fog early in the morning. Chance of precipitation 80 percent. Little or no new snow accumulation. Highs in the lower to mid 30s.

Tonight 4 Dec Missoula/Bitterroot Valleys

Snow likely. Rain likely in the Evening, then rain likely and a slight chance of light freezing rain after midnight. Chance of precipitation 80 percent. Snow Accumulations of 1 to 2 Inches. Total snow Accumulations 1 to 3 Inches. Lows in the mid to upper 20s.

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Missoula International Airport Temperature Statistics

December Temperature

Missoula, Missoula International Airport (0 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    23.7 °F

  • Highest 1 December, 2025

    28.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (0 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    59.4 °F
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