Threemile Reservoir Weather Forecast

    • 44
    • 70

    Areas Smoke

    • 46
    • 75

    Areas Smoke

    • 50
    • 78

    Sunny

    • 55
    • 84

    Sunny

    • 57
    • 88

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 3 Aug Beaverhead/Lemhi Highlands

Sunny. Patchy smoke. Highs 70 to 77.

Tonight 3 Aug Beaverhead/Lemhi Highlands

Mostly clear. Areas of smoke. Lows 41 to 51.

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Threemile Reservoir Temperature Statistics

August Temperature

Rexburg, Rexburg-Madison County Airport (40.4 miles)

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Climate (2021–2026)

Rexburg, Rexburg-Madison County Airport (40.4 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    58.5 °F
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