Blue Creek Reservoir Weather Forecast

    • 44
    • 73

    Mostly Sunny

    • 46
    • 74

    Mostly Sunny

    • 47
    • 76

    Mostly Cloudy

    • 46
    • 74

    Partly Sunny

    • 43
    • 72

    Slight Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

Today 17 Sep Centennial Mountains/Island Park

Sunny. Highs 65 to 73.

Tonight 17 Sep Centennial Mountains/Island Park

Mostly clear. Lows 38 to 48.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blue Creek Reservoir Temperature Statistics

September Temperature

Rexburg, Rexburg-Madison County Airport (28.6 miles)

  • Lowest 12 September, 2025

    43 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (28.6 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    57.6 °F
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