American Falls Weather Forecast

    • 24
    • 33

    Patchy Freezing Fog

    • 23
    • 36

    Patchy Freezing Fog

    • 23
    • 38

    Partly Sunny

    • 27
    • 40

    Mostly Cloudy

    • 27
    • 41

    Mostly Cloudy

    • 26
    • 42

    Mostly Sunny

Today 9 Jan Lower Snake River Plain

Mostly sunny. Patchy freezing fog through the day. Highs 29 to 36. Southwest Winds 10 to 15 Mph.

Tonight 9 Jan Lower Snake River Plain

Partly cloudy. Patchy freezing fog through the night. Lows 18 to 25. Southwest Winds 10 to 15 Mph.

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American Falls Temperature Statistics

January Temperature

Pocatello, Pocatello Regional Airport (16.8 miles)

  • Lowest 1 January, 2026

    28 °F

  • Average January

    39.5 °F

  • Highest 3 January, 2026

    51.1 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    61.5 °F
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