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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.

Overcast

52°F

11°C

Humidity 46%
Wind Speed NNE 9 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Oct 05:35 AM MDT
Extended Forecast for

9 Miles S 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, possibly mixed with snow, becoming all snow after 5pm. Temperature falling to around 32 by 5pm. North wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F⇓

    Rain then
    Rain/Snow

  • Tonight

    Tonight: Snow. Patchy blowing snow between midnight and 3am. Low around 27. North wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 27 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow. High near 33. North northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 24. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before noon. Mostly cloudy, with a high near 39. North wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Calm wind becoming south around 5 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South southwest wind around 5 mph becoming calm in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all snow after 5pm. Temperature falling to around 32 by 5pm. North wind 7 to 14 mph, with gusts as high as 23 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 27. North wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. High near 33. North northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 24. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Columbus Day
Snow likely before noon. Mostly cloudy, with a high near 39. North wind around 5 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 23. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. South southwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. Calm wind becoming south 5 to 7 mph in the evening.
Wednesday
Sunny, with a high near 52.
Wednesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 30.
Thursday
A slight chance of rain. Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 62.
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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:
3:47 am MDT Oct 10, 2026
Forecast Valid:
5am 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