National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 23%
Wind Speed WSW 17 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Oct 07:00 PM MDT
Extended Forecast for

6 Miles SSE Ulm MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. Light and variable wind becoming south around 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 71. South wind 3 to 5 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. East southeast wind around 5 mph becoming light and variable after midnight.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 39. Light and variable wind becoming south around 6 mph.
Monday
Mostly sunny, with a high near 71. South wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 42. East southeast wind around 5 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 59. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 38. Light and variable wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Ulm MT
 47.36°N 111.44°W (Elev. 3399 ft)
Last Update:
12:31 pm MDT Oct 17, 2026
Forecast Valid:
7pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation