Bruneau Dunes State Park Weather Forecast

    • 57
    • 90

    Mostly Cloudy

    • 53
    • 86

    Mostly Sunny

    • 51
    • 91

    Breezy

    • 41
    • 71

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

Today 10 Sep Upper Treasure Valley

Partly sunny. Highs 85 to 90. Southeast Winds up to 10 Mph this Morning, shifting to west around 10 Mph this afternoon. Gusts to 20 Mph.

Tonight 10 Sep Upper Treasure Valley

Decreasing Clouds. Lows 54 to 59. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bruneau Dunes State Park Temperature Statistics

September Temperature

Mountain Home Air Force Base (13 miles)

  • Lowest 8 September, 2026

    42.1 °F

  • Average September

    63.8 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Mountain Home Air Force Base (13 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.6 °F
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