Great Falls Lake Weather Forecast

    • 75
    • 96

    Mostly Sunny

    • 71
    • 95

    Chance Thunderstorms

    • 68
    • 90

    Mostly Sunny

    • 72
    • 94

    Chance Rain Showers

    • 69
    • 91

    Rain Showers Likely

    • 66
    • 88

    Chance Thunderstorms

    • 66
    • 88

    Slight Chance Thunderstorms

Today 16 Aug Warren

Sunny, hot. Near steady temperature in the lower 90s. West Winds around 5 Mph. Heat index Values up to 105.

Tonight 16 Aug Warren

Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

August Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 2 August, 2026

    66.2 °F

  • Average August

    77.1 °F

  • Highest 11 August, 2026

    91.4 °F

Climate (2021–2026)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    70.6 °F
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