Foremans Reservoir Weather Forecast

    • 20
    • 41

    Mostly Sunny

    • 21
    • 40

    Mostly Cloudy

    • 20
    • 40

    Partly Sunny

    • 24
    • 42

    Mostly Cloudy

    • 25
    • 45

    Partly Sunny

    • 26
    • 45

    Mostly Sunny

    • 24
    • 48

    Mostly Sunny

Today 9 Jan Upper Treasure Valley

Patchy fog this morning. Mostly sunny. Highs 38 to 43. Light Winds this Morning, becoming north up to 10 Mph this afternoon.

Tonight 9 Jan Upper Treasure Valley

Mostly clear. Patchy fog after midnight. Lows 20 to 25. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foremans Reservoir Temperature Statistics

January Temperature

Mountain Home Air Force Base (23.6 miles)

  • Lowest 5 January, 2026

    31.8 °F

  • Average January

    41.7 °F

  • Highest 2 January, 2026

    53.1 °F

Climate (2021–Present)

Mountain Home Air Force Base (23.6 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.3 °F
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