Great Falls International Airport Weather Forecast

    • 47
    • 58

    Blowing Dust

    • 37
    • 58

    Decreasing Clouds

    • 32
    • 60

    Mostly Sunny

    • 22
    • 47

    Mostly Sunny

    • 26
    • 43

    Partly Sunny

    • 28
    • 51

    Mostly Sunny

    • 25
    • 49

    Mostly Sunny

Today 12 Jan Cascade County below 5000ft

Very windy. Mostly cloudy. Areas of blowing dust in the late morning and early Afternoon, then patchy blowing dust late in the afternoon. Highs in the upper 50s. Southwest Winds 25 to 40 Mph with Gusts to around 65 Mph.

Tonight 12 Jan Cascade County below 5000ft

Windy. Mostly cloudy. A 20 percent chance of rain early in the morning. Lows in the upper 40s. Southwest Winds 15 to 30 Mph with Gusts to around 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls International Airport Temperature Statistics

January Temperature

Great Falls, Great Falls International Airport (0.6 miles)

  • Lowest 9 January, 2026

    19 °F

  • Average January

    38.3 °F

  • Highest 3 January, 2026

    55.9 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (0.6 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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