American Falls Reservoir Weather Forecast

    • 52
    • 89

    Increasing Clouds

    • 48
    • 84

    Slight Chance Thunderstorms

    • 33
    • 66

    Breezy

    • 45
    • 77

    Mostly Cloudy

    • 40
    • 70

    Chance Rain

    • 36
    • 66

    Slight Chance Thunderstorms

    • 36
    • 67

    Mostly Sunny

Today 5 Jun Lower Snake River Plain

Sunny, warmer. Highs 80 to 90. Southwest Winds 10 to 20 Mph.

Tonight 5 Jun Lower Snake River Plain

Increasing Clouds. Lows 49 to 59. Southeast Winds 10 to 15 Mph.

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American Falls Reservoir Temperature Statistics

June Temperature

Pocatello, Pocatello Regional Airport (4.3 miles)

  • Lowest 2 June, 2026

    35.7 °F

  • Average June

    60.4 °F

  • Highest 3 June, 2026

    82.9 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.9 °F
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