American Falls Dam Weather Forecast

    • 33
    • 51

    Rain Showers

    • 31
    • 45

    Chance Snow

    • 32
    • 47

    Chance Snow Showers

    • 32
    • 49

    Chance Rain Showers

    • 31
    • 52

    Chance Rain Showers

    • 32
    • 55

    Mostly Sunny

Today 31 Mar Lower Snake River Plain

A chance of rain Showers and a slight chance of Thunderstorms in the morning. Then rain Showers and a chance of Thunderstorms in the afternoon. Highs 47 to 54. Southwest Winds 10 to 20 Mph.

Tonight 31 Mar Lower Snake River Plain

Mostly cloudy. A chance of rain Showers, Thunderstorms and snow Showers in the evening. Then a slight chance of snow after midnight. Little or no snow accumulation. Lows 27 to 34. Southwest Winds 10 to 20 Mph. Chance of precipitation 50 percent.

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American Falls Dam Temperature Statistics

March Temperature

Pocatello, Pocatello Regional Airport (18 miles)

  • Lowest 1 March, 2025

    20.8 °F

  • Average March

    41.8 °F

  • Highest 26 March, 2025

    75.7 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (18 miles)

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  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    60.9 °F
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