Blue Creek Reservoir Weather Forecast

    • 51
    • 81

    Becoming Sunny

    • 53
    • 84

    Mostly Sunny

    • 52
    • 85

    Mostly Sunny

    • 51
    • 86

    Partly Sunny

    • 53
    • 86

    Mostly Sunny

    • 54
    • 90

    Mostly Sunny

Today 23 Jul Centennial Mountains/Island Park

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 75 to 83.

Tonight 23 Jul Centennial Mountains/Island Park

Mostly clear. Lows 45 to 55.

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Blue Creek Reservoir Temperature Statistics

July Temperature

Rexburg, Rexburg-Madison County Airport (28.6 miles)

  • Lowest 6 July, 2025

    47.6 °F

  • Average July

    70.9 °F

  • Highest 1 July, 2025

    96.7 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (28.6 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    57.5 °F
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