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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

46°F

8°C

Humidity 82%
Wind Speed WSW 4 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 04 Oct 08:53 AM MDT
Extended Forecast for

Ulm MT

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. South wind 6 to 9 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 85. South southwest wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. South southwest wind 3 to 8 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. West wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. North northeast wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 51. South wind 6 to 9 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 85. South southwest wind 10 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 49. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 79. South southwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 46. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ulm MT
 47.41°N 111.51°W (Elev. 3383 ft)
Last Update:
4:36 am MDT Oct 4, 2026
Forecast Valid:
9am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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