Petticoat Peak Weather Forecast

    • 55
    • 69

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 51
    • 71

    Rain Likely

    • 45
    • 59

    Chance Thunderstorms

    • 48
    • 64

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

Today 4 Sep Marsh and Arbon Highlands

Sunny. Highs 72 to 82.

Tonight 4 Sep Marsh and Arbon Highlands

Mostly clear. Lows 48 to 58.

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Petticoat Peak Temperature Statistics

September Temperature

Pocatello, Pocatello Regional Airport (36 miles)

  • Lowest 2 September, 2026

    57 °F

  • Average September

    71 °F

  • Highest 1 September, 2026

    85.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (36 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    62 °F
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