Mountain Home Weather Forecast

    • 73
    • 105

    Slight Chance Thunderstorms

    • 66
    • 99

    Slight Chance Thunderstorms

    • 60
    • 93

    Partly Sunny

    • 65
    • 95

    Slight Chance Thunderstorms

    • 66
    • 98

    Partly Sunny

    • 63
    • 96

    Partly Sunny

    • 61
    • 92

    Partly Sunny

Today 21 Aug Upper Treasure Valley

Mostly sunny. Patchy smoke. Highs 98 to 103. Light Winds this Morning, becoming southeast 10 to 15 Mph with Gusts to 35 Mph this afternoon.

Tonight 21 Aug Upper Treasure Valley

Areas of blowing dust this evening. Mostly cloudy. Lows 67 to 74. Windy. South Winds 20 to 30 Mph with Gusts to 70 Mph this Evening, becoming east up to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

August Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 4 August, 2026

    49.6 °F

  • Average August

    78 °F

  • Highest 1 August, 2026

    104.6 °F

Climate (2021–2026)

Mountain Home Air Force Base (10.6 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.5 °F
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