Long Tom Reservoir Weather Forecast

    • 49
    • 83

    Sunny

    • 56
    • 88

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 53
    • 85

    Partly Sunny

    • 45
    • 75

    Chance Rain Showers

    • 38
    • 63

    Slight Chance Thunderstorms

    • 37
    • 60

    Slight Chance Rain Showers

Today 22 Jun Boise Mountains

Sunny. Highs 72 to 86.

Tonight 22 Jun Boise Mountains

Clear. Lows 39 to 54.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Tom Reservoir Temperature Statistics

June Temperature

Mountain Home Air Force Base (21.7 miles)

  • Lowest 11 June, 2026

    38.5 °F

  • Average June

    68.4 °F

  • Highest 16 June, 2026

    97.6 °F

Climate (2021–2026)

Mountain Home Air Force Base (21.7 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.5 °F
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