Great Falls International Airport Weather Forecast

    • 28
    • 44

    Rain/Snow Likely

    • 31
    • 47

    Breezy

    • 44
    • 56

    Windy

    • 34
    • 61

    Chance Snow

    • 23
    • 47

    Chance Snow

    • 20
    • 37

    Chance Snow

Today 5 Mar Cascade County below 5000ft

Cooler. Snow and rain likely. Snow accumulation up to 2 Inches. Snow level 3900 feet. Highs in the mid 40s. West Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 5 Mar Cascade County below 5000ft

Mostly cloudy. Snow and rain likely in the Evening, then chance of snow after midnight. Snow accumulation up to 2 Inches. Total snow accumulation up to 5 Inches. Lows in the upper 20s. West Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls International Airport Temperature Statistics

March Temperature

Great Falls, Great Falls International Airport (0.6 miles)

  • Lowest 1 March, 2026

    12 °F

  • Average March

    37.6 °F

  • Highest 2 March, 2026

    60.1 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (0.6 miles)

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

  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads