Great Falls Lake Weather Forecast

    • 68
    • 87

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 70
    • 88

    Rain Showers Likely

    • 70
    • 89

    Chance Thunderstorms

Today 4 Aug Warren

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Light and variable Winds, becoming north around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 4 Aug Warren

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Areas of fog. Lows in the upper 60s. Light and variable Winds. Chance of rain 20 percent.

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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

    74.7 °F

  • Highest 1 August, 2026

    86 °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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