Great Falls Lake Weather Forecast

    • 12
    • 36

    Mostly Sunny

    • 23
    • 38

    Sunny

    • 33
    • 49

    Chance Rain Showers

    • 25
    • 45

    Chance Rain Showers

    • 20
    • 44

    Chance Rain/Snow

    • 18
    • 31

    Chance Snow Showers

Today 19 Jan Warren

Sunny. Highs in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Jan Warren

Partly cloudy in the Evening, then becoming mostly clear. Cold with Lows around 13. North Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

January Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 15 January, 2026

    14 °F

  • Average January

    44.4 °F

  • Highest 7 January, 2026

    68 °F

Climate (2021–Present)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    59.1 °F

  • Average High 2021–2026

    70.2 °F
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