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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Rain

50°F

10°C

Humidity 57%
Wind Speed NNE 9 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 10 Oct 06:35 AM MDT
Extended Forecast for

Ulm MT

Winter Storm Warning October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Rain before 2pm, then rain, possibly mixed with snow between 2pm and 5pm, then snow after 5pm. Temperature falling to around 33 by 5pm. North wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F⇓

    Rain then
    Rain/Snow

  • Tonight

    Tonight: Snow. Patchy blowing snow between midnight and 3am. Low around 28. North wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow. High near 34. North northeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 24. North northeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before noon. Mostly cloudy, with a high near 40. North wind 5 to 7 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Rain before 2pm, then rain, possibly mixed with snow between 2pm and 5pm, then snow after 5pm. Temperature falling to around 33 by 5pm. North wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Patchy blowing snow between midnight and 3am. Low around 28. North wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 34. North northeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 24. North northeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
Snow likely before noon. Mostly cloudy, with a high near 40. North wind 5 to 7 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 22. Calm wind.
Tuesday
Mostly sunny, with a high near 47. Calm wind.
Tuesday Night
Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 53.
Wednesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 28.
Thursday
A slight chance of rain. Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ulm MT
 47.43°N 111.51°W (Elev. 3392 ft)
Last Update:
3:47 am MDT Oct 10, 2026
Forecast Valid:
6am MDT Oct 10, 2026-6pm MDT Oct 16, 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