Mission Reservoir Weather Forecast

    • 44
    • 58

    Increasing Clouds

    • 45
    • 64

    Rain Likely

    • 38
    • 54

    Rain

    • 35
    • 45

    Rain/Snow

    • 31
    • 42

    Snow Likely

    • 32
    • 43

    Chance Rain/Snow

Today 23 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the 50s to lower 60s. Southwest Winds to 15 Mph.

Tonight 23 Oct Flathead/Mission Valleys

Partly cloudy. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Reservoir Temperature Statistics

October Temperature

Missoula, Missoula International Airport (27.3 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    46.4 °F

  • Highest 10 October, 2025

    81 °F

Climate (2020–Present)

Missoula, Missoula International Airport (27.3 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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