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

36°F

2°C

Humidity 80%
Wind Speed WSW 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Oct 11:35 PM MDT
Extended Forecast for

3 Miles W Ulm MT

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Light and variable wind.
Monday
Sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Tuesday
Mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Light and variable wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. South wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Ulm MT
 47.43°N 111.58°W (Elev. 3399 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
11pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation