American Falls Reservoir Weather Forecast

    • 29
    • 47

    Rain Likely

    • 26
    • 50

    Chance Rain

    • 26
    • 56

    Mostly Sunny

    • 27
    • 61

    Sunny

    • 27
    • 65

    Mostly Sunny

    • 30
    • 67

    Mostly Sunny

    • 32
    • 68

    Mostly Sunny

Today 12 Oct Lower Snake River Plain

Sunny with a slight chance of rain. Highs 64 to 71.

Tonight 12 Oct Lower Snake River Plain

Cloudy with a chance of rain. Lows 28 to 36. Northwest Winds up to 10 Mph.

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American Falls Reservoir Temperature Statistics

October Temperature

Pocatello, Pocatello Regional Airport (4.3 miles)

  • Lowest 4 October, 2026

    36.6 °F

  • Average October

    62 °F

  • Highest 5 October, 2026

    88.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (4.3 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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