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

59°F

15°C

Humidity 53%
Wind Speed SE 10 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 07 May 07:53 PM MDT
Extended Forecast for

Ulm MTSimilar City Names

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: Increasing clouds, with a high near 76. Light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 23 mph.

    High: 76 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of showers between 1am and 2am. Cloudy, with a low around 49. West northwest wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 68. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. North northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. West wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. West southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Increasing clouds, with a high near 76. Light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
A slight chance of showers between 1am and 2am. Cloudy, with a low around 49. West northwest wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 68. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 42. North northeast wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 52. West wind 5 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 76. West southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 80. Breezy.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Ulm MTSimilar City Names
 47.43°N 111.51°W (Elev. 3392 ft)
Last Update:
4:56 pm MDT May 7, 2026
Forecast Valid:
8pm MDT May 7, 2026-6pm MDT May 14, 2026
 
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