National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

light snow,mist

28°F

-2°C

Humidity 92%
Wind Speed E 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 27°F (-3°C)
Visibility 0.75 mi
Wind Chill22°F (-6°C)
Last update 13 Mar 11:20 AM MDT
Extended Forecast for

Great Falls International Airport MT

Winter Storm Warning March 13, 11:38am until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 11:38am until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Today

    High: 34 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 25. Northeast wind 5 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow

  • Saturday

    Saturday: Snow. High near 31. Blustery, with a north northeast wind 5 to 10 mph becoming north northwest 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow and
    Blustery

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 9. Blustery, with a north northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31. South southwest wind 5 to 9 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 19. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 49. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 42. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 40 mph.

    Low: 42 °F

    Chance Rain
    and Windy

Detailed Forecast

Today
Snow. High near 34. Northeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Low around 25. Northeast wind 5 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
Snow. High near 31. Blustery, with a north northeast wind 5 to 10 mph becoming north northwest 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 9. Blustery, with a north northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
Partly sunny, with a high near 31. South southwest wind 5 to 9 mph.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 19. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Monday
A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 49. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 42. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 40 mph.
Tuesday
Mostly cloudy, with a high near 59. Windy.
Tuesday Night
Mostly cloudy, with a low around 46. Breezy.
Wednesday
Mostly cloudy, with a high near 67. Windy.
Wednesday Night
Mostly cloudy, with a low around 49. Breezy.
Thursday
Mostly cloudy, with a high near 70. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
Last Update:
10:57 am MDT Mar 13, 2026
Forecast Valid:
11am MDT Mar 13, 2026-6pm MDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation