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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Partly Cloudy

36°F

2°C

Humidity 37%
Wind Speed W 21 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Mar 01:35 PM MDT
Extended Forecast for

Ulm MT

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

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Partly sunny, with a high near 40. West wind around 18 mph, with gusts as high as 26 mph.

    High: 40 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 19. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 46. Windy, with a southwest wind 11 to 16 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 46 °F

    Increasing
    Clouds and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 17 to 27 mph increasing to 27 to 37 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Chance
    Rain and
    Windy

  • Thursday

    Thursday: Rain likely before noon, then snow. High near 51. Very windy, with a west southwest wind 37 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 51 °F

    Rain Likely
    and Windy
    then Snow and
    Very Windy

  • Thursday Night

    Thursday Night: Snow. Low around 28. Breezy, with a southwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow. High near 41. West southwest wind 8 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Snow

  • Friday Night

    Friday Night: Snow. Cloudy, with a low around 19. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Snow

  • Saturday

    Saturday: Snow. Cloudy, with a high near 33.

    High: 33 °F

    Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Partly sunny, with a high near 40. West wind around 18 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 19. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday
Increasing clouds, with a high near 46. Windy, with a southwest wind 11 to 16 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Wednesday Night
A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 17 to 27 mph increasing to 27 to 37 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Rain likely before noon, then snow. High near 51. Very windy, with a west southwest wind 37 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 28. Breezy, with a southwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 41. West southwest wind 8 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow. Cloudy, with a low around 19. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Snow. Cloudy, with a high near 33.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 9.
Sunday
A slight chance of snow. Partly sunny, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ulm MT
 47.41°N 111.51°W (Elev. 3383 ft)
Last Update:
1:26 pm MDT Mar 10, 2026
Forecast Valid:
1pm MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation