Mountain Home Weather Forecast

    • 44
    • 54

    Rain Likely

    • 47
    • 59

    Mostly Cloudy

    • 40
    • 57

    Rain Likely

    • 37
    • 57

    Rain Likely

    • 27
    • 49

    Chance Rain

    • 25
    • 44

    Mostly Sunny

Today 22 Dec Upper Treasure Valley

Areas of fog this morning. Rain, mainly this morning. Chance of rain 80 percent. Highs 50 to 55. East Winds up to 10 Mph.

Tonight 22 Dec Upper Treasure Valley

Rain likely. Chance of rain 60 percent. Lows 40 to 45. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

December Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 1 December, 2025

    13.3 °F

  • Average December

    39.2 °F

  • Highest 11 December, 2025

    63.5 °F

Climate (2020–Present)

Mountain Home Air Force Base (10.6 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.2 °F
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