Great Falls Weather Forecast

    • 16
    • 26

    Blowing Snow

    • 25
    • 39

    Blowing Snow

    • 24
    • 45

    Partly Sunny

    • 29
    • 48

    Mostly Cloudy

    • 30
    • 50

    Mostly Cloudy

    • 35
    • 51

    Mostly Cloudy

Today 25 Jan Cascade County below 5000ft

Partly sunny early in the morning then clearing. Patchy blowing snow in the afternoon. Highs in the mid 20s. South Winds up to 10 Mph shifting to the southwest with Gusts to around 35 Mph in the afternoon.

Tonight 25 Jan Cascade County below 5000ft

Breezy. Not as cold. Mostly clear. Patchy blowing snow. Lows around 16. Southwest Winds 10 to 25 Mph with Gusts to around 45 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

January Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 23 January, 2026

    -5.1 °F

  • Average January

    35.3 °F

  • Highest 14 January, 2026

    64.7 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    58.6 °F
Get WillyWeather+ to remove ads