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.

Overcast

34°F

1°C

Humidity 69%
Wind Speed N 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Mar 10:05 PM MDT
Extended Forecast for

Great Falls International Airport MT

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

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Tonight

    Low: 27 °F

    Chance Snow
    then Snow
    Likely

  • Friday

    Friday: Snow. High near 33. North northwest wind 6 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 21. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow

  • Saturday

    Saturday: Snow. High near 29. North wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 9. North northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31. South southwest wind 6 to 9 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 18. South southwest wind 7 to 11 mph. Little or no snow accumulation expected.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 47. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 47 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Cloudy, with a low around 27. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow. High near 33. North northwest wind 6 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 21. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. High near 29. North wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 9. North northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Partly sunny, with a high near 31. South southwest wind 6 to 9 mph.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 18. South southwest wind 7 to 11 mph. Little or no snow accumulation expected.
Monday
A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 47. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Monday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 40. Breezy.
Tuesday
Mostly cloudy, with a high near 60. Windy.
Tuesday Night
Mostly cloudy, with a low around 45. Breezy.
Wednesday
Mostly cloudy, with a high near 69. Breezy.
Wednesday Night
Mostly cloudy, with a low around 50. Breezy.
Thursday
Partly sunny, with a high near 71. Breezy.
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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:
7:32 pm MDT Mar 12, 2026
Forecast Valid:
10pm MDT Mar 12, 2026-6pm MDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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