Triangle Reservoir Weather Forecast

    • 18
    • 34

    Mostly Sunny

    • 22
    • 38

    Mostly Cloudy

    • 23
    • 42

    Partly Sunny

    • 28
    • 44

    Partly Sunny

    • 29
    • 48

    Partly Sunny

    • 28
    • 48

    Mostly Sunny

    • 25
    • 48

    Mostly Sunny

Today 9 Jan Owyhee Mountains

Patchy fog this morning. Mostly sunny. Highs 35 to 40.

Tonight 9 Jan Owyhee Mountains

Mostly clear. Lows 20 to 27.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Triangle Reservoir Temperature Statistics

January Temperature

Mountain Home Air Force Base (41.6 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 (41.6 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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