Mission Reservoir Weather Forecast

    • 26
    • 36

    Increasing Clouds

    • 30
    • 40

    Mostly Cloudy

    • 31
    • 40

    Slight Chance Rain/Snow

    • 34
    • 43

    Mostly Cloudy

    • 37
    • 44

    Chance Rain

    • 36
    • 46

    Slight Chance Rain

Today 26 Jan Flathead/Mission Valleys

Mostly cloudy. Patchy fog in the morning. Highs in the mid 20s to lower 30s. Southwest Winds to 15 Mph.

Tonight 26 Jan Flathead/Mission Valleys

Mostly cloudy. Lows 15 to 22.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Reservoir Temperature Statistics

January Temperature

Missoula, Missoula International Airport (27.3 miles)

  • Lowest 23 January, 2026

    10.9 °F

  • Average January

    29.8 °F

  • Highest 13 January, 2026

    55.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (27.3 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    59.5 °F
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