American Falls Dam Weather Forecast

    • 42
    • 58

    Decreasing Clouds

    • 45
    • 68

    Breezy

    • 48
    • 75

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 45
    • 73

    Partly Sunny

Today 16 Mar Lower Snake River Plain

Partly sunny. Not as cool. Highs around 58. Southwest Winds 10 to 20 Mph.

Tonight 16 Mar Lower Snake River Plain

Mostly cloudy in the evening then clearing. Lows 35 to 42. Southwest Winds 10 to 15 Mph.

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American Falls Dam Temperature Statistics

March Temperature

Pocatello, Pocatello Regional Airport (18 miles)

  • Lowest 11 March, 2026

    21 °F

  • Average March

    43.1 °F

  • Highest 13 March, 2026

    61 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (18 miles)

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  • Average Low 2021–2026

    35.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.6 °F
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