Great Falls Lake Weather Forecast

    • 73
    • 88

    Chance Thunderstorms

    • 71
    • 86

    Rain Showers

    • 72
    • 90

    Slight Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 74
    • 94

    Mostly Sunny

Today 26 Jun Warren

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Jun Warren

Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

June Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 3 June, 2026

    51.8 °F

  • Average June

    72.5 °F

  • Highest 10 June, 2026

    89.6 °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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