American Falls Dam Weather Forecast

    • 29
    • 41

    Increasing Clouds

    • 31
    • 45

    Mostly Cloudy

    • 32
    • 48

    Mostly Cloudy

    • 29
    • 46

    Partly Sunny

    • 27
    • 44

    Partly Sunny

    • 28
    • 46

    Partly Sunny

Today 30 Jan Lower Snake River Plain

Mostly cloudy. Patchy fog in the morning. Highs 36 to 43. Light and variable Winds.

Tonight 30 Jan Lower Snake River Plain

Mostly cloudy. Lows 21 to 29. East Winds up to 10 Mph.

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American Falls Dam Temperature Statistics

January Temperature

Pocatello, Pocatello Regional Airport (18 miles)

  • Lowest 26 January, 2026

    8.1 °F

  • Average January

    29.3 °F

  • Highest 3 January, 2026

    51.7 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (18 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    61.4 °F
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