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.

Partly Cloudy

46°F

8°C

Humidity 100%
Wind Speed SSW 8 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Jun 06:20 AM MDT
Extended Forecast for

6 Miles WSW Ulm MT

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 73. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    High: 73 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 46. North wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between noon and 2pm. Mostly sunny, with a high near 73. Light north northwest wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Northeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 73. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 46. North wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms between noon and 2pm. Mostly sunny, with a high near 73. Light north northwest wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 46. Northeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 50. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 86. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Ulm MT
 47.4°N 111.63°W (Elev. 3524 ft)
Last Update:
4:17 am MDT Jun 17, 2026
Forecast Valid:
6am MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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