Anderson Ranch Reservoir Weather Forecast

    • 54
    • 91

    Areas Smoke

    • 54
    • 90

    Areas Smoke

    • 53
    • 85

    Slight Chance Thunderstorms

    • 51
    • 84

    Slight Chance Thunderstorms

    • 49
    • 82

    Partly Sunny

    • 48
    • 76

    Chance Rain Showers

    • 45
    • 74

    Chance Rain Showers

Today 4 Sep Boise Mountains

Mostly sunny. Areas of smoke this Morning, then patchy smoke this afternoon. A slight chance of Showers and Thunderstorms this afternoon. Chance of rain 20 percent. Highs 80 to 94.

Tonight 4 Sep Boise Mountains

Partly cloudy with isolated rain Showers and Thunderstorms this Evening, then mostly clear. Smoke this Evening, then Areas of smoke. Thunderstorms may produce gusty Winds this evening. Chance of rain 20 percent. Lows 48 to 63.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Anderson Ranch Reservoir Temperature Statistics

September Temperature

Mountain Home Air Force Base (35.4 miles)

  • Lowest 2 September, 2025

    75 °F

  • Average September

    80.5 °F

  • Highest 2 September, 2025

    89.2 °F

Climate (2020–Present)

Mountain Home Air Force Base (35.4 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    65 °F
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