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 NNW 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Mar 08:00 PM MDT
Extended Forecast for

Great Falls 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, mainly before 4pm. High near 34. Light and variable wind becoming north northeast 5 to 8 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 21. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow

  • Saturday

    Saturday: Snow. High near 30. Light northeast wind becoming north 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 9. North northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 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 33. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. South wind 6 to 9 mph.

    Low: 17 °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. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Cloudy, with a low around 27. West northwest wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 4pm. High near 34. Light and variable wind becoming north northeast 5 to 8 mph in the morning. 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 8 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. High near 30. Light northeast wind becoming north 12 to 17 mph in the morning. Winds could gust as high as 25 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 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Partly sunny, with a high near 33. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. South wind 6 to 9 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. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 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 61. Breezy.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly cloudy, with a high near 70. Breezy.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 73. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
7:32 pm MDT Mar 12, 2026
Forecast Valid:
8pm MDT Mar 12, 2026-6pm MDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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