Great Falls Lake Weather Forecast

    • 67
    • 81

    Rain Showers Likely

    • 64
    • 81

    Rain Showers Likely

    • 62
    • 82

    Rain Showers Likely

    • 63
    • 81

    Rain Showers Likely

    • 60
    • 80

    Rain Showers Likely

    • 59
    • 79

    Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

Today 26 May Warren

Showers likely with a chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 26 May Warren

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

May Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 8 May, 2026

    39.2 °F

  • Average May

    65.1 °F

  • Highest 17 May, 2026

    89.6 °F

Climate (2021–Present)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    70.5 °F
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