Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

64°F

18°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 11 Aug 10:00 AM MDT
Extended Forecast for

9 Miles S Ulm MT

  • Today

    Today: Areas of smoke. Sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.

    High: 87 °F

    Areas Smoke

  • Tonight

    Tonight: Patchy smoke before 8pm, then patchy smoke after 2am. Increasing clouds, with a low around 53. East northeast wind 5 to 9 mph becoming west after midnight.

    Low: 53 °F

    Patchy Smoke

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then showers likely after 4pm.  Patchy smoke. Mostly cloudy, with a high near 79. West northwest wind 6 to 9 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Patchy smoke before 7pm. Low around 50. North northeast wind 6 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 72. North wind 3 to 7 mph.  Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 48. North northeast wind 6 to 9 mph becoming northwest after midnight.  Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 70. Northwest wind 3 to 5 mph.  Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 47. Northeast wind around 6 mph becoming calm  after midnight.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of smoke. Sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Patchy smoke before 8pm, then patchy smoke after 2am. Increasing clouds, with a low around 53. East northeast wind 5 to 9 mph becoming west after midnight.
Wednesday
A slight chance of showers before 7am, then showers likely after 4pm. Patchy smoke. Mostly cloudy, with a high near 79. West northwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Patchy smoke before 7pm. Low around 50. North northeast wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. North wind 3 to 7 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 48. North northeast wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 90%.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 70. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 47. Northeast wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of showers. Mostly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Monday
A slight chance of showers. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
10:02 am MDT Aug 11, 2026
10am MDT Aug 11, 2026-6pm MDT Aug 17, 2026
 
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