Great Falls Weather Forecast

    • 19
    • 44

    Windy

    • 22
    • 40

    Chance Snow

    • 39
    • 48

    Rain Likely

    • 29
    • 51

    Rain/Snow

    • 25
    • 42

    Snow

    • 14
    • 40

    Snow

Today 9 Mar Cascade County below 5000ft

Windy, Colder. Mostly sunny. A 20 percent chance of snow late in the afternoon. Highs in the lower 40s. West Winds 15 to 25 Mph increasing to 25 to 35 Mph in the afternoon. Gusts up to 50 Mph.

Tonight 9 Mar Cascade County below 5000ft

Breezy. Partly cloudy. Lows around 19. West Winds 10 to 25 Mph with Gusts to around 50 Mph becoming southwest 5 to 10 Mph with Gusts to around 25 Mph after midnight.

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Great Falls Temperature Statistics

March Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 1 March, 2026

    12 °F

  • Average March

    42.4 °F

  • Highest 3 March, 2026

    61 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59 °F
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