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.

Clear

37°F

3°C

Humidity 64%
Wind Speed SW 12 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Mar 10:20 PM MDT
Extended Forecast for

9 Miles S Ulm MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm
High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning

  • Tonight

    Tonight: A slight chance of rain before 1am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 38. Very windy, with a southwest wind 26 to 31 mph increasing to 40 to 45 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain and Very
    Windy

  • Thursday

    Thursday: A chance of rain before 10am, then snow likely. Cloudy, with a high near 48. Very windy, with a west wind 50 to 55 mph decreasing to 37 to 42 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Very Windy.
    Chance
    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow, mainly after 3am. Low around 28. Windy, with a west southwest wind 20 to 30 mph decreasing to 7 to 17 mph. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow
    and Windy
    then Snow

  • Friday

    Friday: Snow. High near 38. West northwest wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 24. Northeast wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow. High near 32. Light north wind increasing to 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 10. North northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 35. South wind 3 to 8 mph.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain before 1am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 38. Very windy, with a southwest wind 26 to 31 mph increasing to 40 to 45 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 20%.
Thursday
A chance of rain before 10am, then snow likely. Cloudy, with a high near 48. Very windy, with a west wind 50 to 55 mph decreasing to 37 to 42 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow, mainly after 3am. Low around 28. Windy, with a west southwest wind 20 to 30 mph decreasing to 7 to 17 mph. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 38. West northwest wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 24. Northeast wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 32. Light north wind increasing to 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 10. North northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Partly sunny, with a high near 35. South wind 3 to 8 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
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 51.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 64. Breezy.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly cloudy, with a high near 70. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
Last Update:
9:47 pm MDT Mar 11, 2026
Forecast Valid:
10pm MDT Mar 11, 2026-6pm MDT Mar 18, 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