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

48°F

9°C

Humidity 36%
Wind Speed NE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 09 Apr 01:53 PM MDT
Extended Forecast for

9 Miles S Ulm MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after noon. Partly sunny, with a high near 75. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Southwest wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Partly sunny, with a high near 58. Southwest wind 6 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

    High: 58 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain, mainly before midnight. Low around 38. Northeast wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 54. West wind 5 to 8 mph.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northeast wind 5 to 9 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 69. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 42. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Saturday
A 50 percent chance of showers after noon. Partly sunny, with a high near 75. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Southwest wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday
A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Partly sunny, with a high near 58. Southwest wind 6 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
Rain, mainly before midnight. Low around 38. Northeast wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
Rain. Mostly cloudy, with a high near 54. West wind 5 to 8 mph.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
Partly cloudy, with a low around 39. Breezy.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Thursday
A chance of snow. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
Last Update:
1:26 pm MDT Apr 9, 2026
Forecast Valid:
3pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation