American Falls Dam Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 54
    • 75

    Chance Rain Showers

    • 48
    • 74

    Mostly Cloudy

    • 48
    • 68

    Chance Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Thunderstorms

Today 8 Sep Lower Snake River Plain

Partly sunny in the morning then clearing. Highs 74 to 83. Light and variable Winds. Becoming southwest up to 10 Mph in the afternoon.

Tonight 8 Sep Lower Snake River Plain

Increasing Clouds. Lows 50 to 57. East Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

American Falls Dam Temperature Statistics

September Temperature

Pocatello, Pocatello Regional Airport (18 miles)

  • Lowest 2 September, 2025

    46.9 °F

  • Average September

    68.8 °F

  • Highest 2 September, 2025

    93 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    61.2 °F
Get WillyWeather+ to remove ads