American Falls Dam Weather Forecast

    • 57
    • 80

    Becoming Sunny

    • 57
    • 82

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 54
    • 82

    Partly Sunny

    • 56
    • 84

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 23 Jul Lower Snake River Plain

Sunny. Highs 78 to 87. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 23 Jul Lower Snake River Plain

Mostly clear. Lows 50 to 60. Southwest Winds 10 to 15 Mph.

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American Falls Dam Temperature Statistics

July Temperature

Pocatello, Pocatello Regional Airport (18 miles)

  • Lowest 7 July, 2025

    45.6 °F

  • Average July

    74.3 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (18 miles)

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  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    61.2 °F
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