Great Falls Weather Forecast

    • 44
    • 56

    Breezy

    • 47
    • 61

    Blowing Dust

    • 38
    • 62

    Mostly Cloudy

    • 32
    • 64

    Mostly Sunny

    • 22
    • 47

    Partly Sunny

    • 24
    • 41

    Partly Sunny

Today 11 Jan Cascade County below 5000ft

Breezy. Partly sunny. Highs in the lower 50s. Southwest Winds 15 to 25 Mph.

Tonight 11 Jan Cascade County below 5000ft

Windy. Mostly cloudy. Near steady temperature in the mid 40s. Southwest Winds 15 to 30 Mph with Gusts to around 50 Mph.

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Great Falls Temperature Statistics

January Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 3 January, 2026

    19.9 °F

  • Average January

    39 °F

  • Highest 3 January, 2026

    55.9 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    58.6 °F
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