Petticoat Peak Weather Forecast

    • 50
    • 68

    Decreasing Clouds

    • 55
    • 73

    Partly Sunny

    • 40
    • 64

    Mostly Sunny

    • 41
    • 57

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

Today 11 Sep Marsh and Arbon Highlands

Partly sunny. A slight chance of rain Showers in the morning. Then a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 72 to 82.

Tonight 11 Sep Marsh and Arbon Highlands

Partly cloudy. Cooler. Lows 46 to 56.

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Petticoat Peak Temperature Statistics

September Temperature

Pocatello, Pocatello Regional Airport (36 miles)

  • Lowest 8 September, 2026

    36.6 °F

  • Average September

    64.5 °F

  • Highest 6 September, 2026

    88.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (36 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.9 °F
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