Ninepipe Reservoir Weather Forecast

    • 33
    • 44

    Chance Rain

    • 33
    • 46

    Chance Rain

    • 25
    • 41

    Rain/Snow

    • 21
    • 34

    Slight Chance Snow

    • 22
    • 35

    Mostly Cloudy

    • 25
    • 38

    Mostly Cloudy

Today 24 Dec Flathead/Mission Valleys

Mostly cloudy. A 40 percent chance of rain in the afternoon. Highs in the upper 30s to mid 40s.

Tonight 24 Dec Flathead/Mission Valleys

Cloudy with a 50 percent chance of rain. Lows in the upper 20s to mid 30s.

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Ninepipe Reservoir Temperature Statistics

December Temperature

Missoula, Missoula International Airport (36 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    36.6 °F

  • Highest 10 December, 2025

    55.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (36 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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