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.

Overcast

55°F

13°C

Humidity 76%
Wind Speed NNW 5 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Jun 01:05 AM MDT
Extended Forecast for

6 Miles SSE Ulm MT

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 50. West northwest wind 6 to 9 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 72. West southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 72 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, 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 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 73. Calm wind becoming north 5 to 9 mph in the morning.

    High: 73 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Northeast wind 6 to 11 mph becoming light east after midnight.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly 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 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 50. West northwest wind 6 to 9 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 72. West southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. North wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 73. Calm wind becoming north 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. Northeast wind 6 to 11 mph becoming light east after midnight.
Juneteenth
Mostly sunny, with a high near 77. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Friday Night
Partly 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 20 mph.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Ulm MT
 47.36°N 111.44°W (Elev. 3399 ft)
Last Update:
12:32 am MDT Jun 17, 2026
Forecast Valid:
1am 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