Threemile State Wildlife Management Area Weather Forecast

    • 53
    • 72

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 52
    • 74

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

Today 17 Sep Bitterroot/Sapphire Mountains

Mostly sunny. Highs in the upper 60s to mid 70s.

Tonight 17 Sep Bitterroot/Sapphire Mountains

Mostly clear. Lows in the 40s.

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Threemile State Wildlife Management Area Temperature Statistics

September Temperature

Missoula, Missoula International Airport (24.9 miles)

  • Lowest 13 September, 2025

    46.9 °F

  • Average September

    66.1 °F

  • Highest 2 September, 2025

    96.1 °F

Climate (2020–Present)

Missoula, Missoula International Airport (24.9 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.2 °F
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