Threemile Reservoir Weather Forecast

    • 25
    • 43

    Slight Chance Snow

    • 29
    • 49

    Partly Sunny

    • 41
    • 58

    Rain Showers Likely

    • 32
    • 49

    Rain Showers Likely

    • 28
    • 44

    Snow Showers Likely

    • 29
    • 46

    Chance Snow Showers

Today 2 May Beaverhead/Lemhi Highlands

Mostly sunny. A slight chance of snow in the afternoon. Highs 41 to 49.

Tonight 2 May Beaverhead/Lemhi Highlands

Mostly cloudy. A chance of snow in the evening. Then a slight chance of snow after midnight. Lows 20 to 30.

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Threemile Reservoir Temperature Statistics

May Temperature

Rexburg, Rexburg-Madison County Airport (40.4 miles)

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Climate (2019–Present)

Rexburg, Rexburg-Madison County Airport (40.4 miles)

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  • Average Low 2019–2024

    33.1 °F

  • Average 2019–2024

    44.8 °F

  • Average High 2019–2024

    56.5 °F
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