Big Southern Butte Airport Weather Forecast

    • 39
    • 75

    Mostly Sunny

    • 43
    • 79

    Mostly Sunny

    • 50
    • 84

    Breezy

    • 44
    • 77

    Breezy

    • 40
    • 74

    Partly Sunny

    • 36
    • 65

    Partly Sunny

Today 8 Sep Arco/Mud Lake Desert

Sunny. Highs 67 to 76. Southwest Winds up to 10 Mph. Increasing to 10 to 15 Mph in the afternoon.

Tonight 8 Sep Arco/Mud Lake Desert

Mostly clear. Lows 38 to 45. West Winds around 10 Mph. Shifting to northeast up to 10 Mph after midnight.

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Big Southern Butte Airport Temperature Statistics

September Temperature

Pocatello, Pocatello Regional Airport (42.9 miles)

  • Lowest 4 September, 2026

    46.7 °F

  • Average September

    67 °F

  • Highest 6 September, 2026

    86 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (42.9 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    62 °F
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