Missoula Weather Forecast

    • 35
    • 48

    Rain

    • 29
    • 47

    Snow

    • 34
    • 41

    Rain/Snow

    • 27
    • 42

    Rain/Snow Likely

    • 25
    • 37

    Slight Chance Snow

    • 27
    • 38

    Chance Rain

Today 16 Dec Missoula/Bitterroot Valleys

Rain likely early in the Morning, then Areas of rain in the late morning and afternoon. Chance of rain 70 percent. Highs in the mid to upper 40s. Southwest Winds 15 to 20 Mph with Gusts to around 45 Mph.

Tonight 16 Dec Missoula/Bitterroot Valleys

Slight chance of rain in the Evening, then rain likely after midnight. Chance of rain 90 percent. Lows in the lower to mid 30s. South Winds 15 to 20 Mph with Gusts to around 40 Mph.

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Missoula Temperature Statistics

December Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    36.5 °F

  • Highest 10 December, 2025

    55.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.5 °F
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