Mountain Home Weather Forecast

    • 20
    • 30

    Increasing Clouds

    • 21
    • 26

    Mostly Cloudy

    • 19
    • 29

    Partly Sunny

    • 19
    • 30

    Mostly Cloudy

    • 23
    • 32

    Mostly Cloudy

    • 24
    • 33

    Mostly Cloudy

Today 21 Jan Upper Treasure Valley

Mostly cloudy. Patchy fog. Highs 27 to 32. Southeast Winds up to 10 Mph.

Tonight 21 Jan Upper Treasure Valley

Increasing Clouds. Lows 17 to 22. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

January Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 15 January, 2026

    20.3 °F

  • Average January

    34.5 °F

  • Highest 2 January, 2026

    53.1 °F

Climate (2021–Present)

Mountain Home Air Force Base (10.6 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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