Great Falls Weather Forecast

    • 0
    • 21

    Snow Likely

    • -14
    • 6

    Snow Likely

    • -20
    • 3

    Cold

    • 10
    • 12

    Partly Sunny

    • 10
    • 34

    Mostly Cloudy

    • 13
    • 30

    Mostly Cloudy

    • 23
    • 34

    Chance Snow

Today 17 Jan Cascade County below 5000ft

Windy. Much Colder. Snow likely late in the Morning, then chance of snow in the afternoon. Patchy blowing snow through the day. New snow accumulation up to 3 Inches. Highs around 20. North Winds 20 to 30 Mph decreasing to 10 to 20 Mph in the afternoon. Chance of snow 70 percent.

Tonight 17 Jan Cascade County below 5000ft

Much Colder. Mostly cloudy. Slight chance of snow late in the Evening, then chance of snow after midnight. Lows 5 below to zero. Northwest Winds up to 10 Mph. Chance of snow 50 percent.

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Great Falls Temperature Statistics

January Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 5 January, 2025

    -3.2 °F

  • Average January

    22.5 °F

  • Highest 10 January, 2025

    42.7 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.2 °F
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