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

81°F

27°C

Humidity 28%
Wind Speed NW 12 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 05 Aug 05:10 PM MDT
Extended Forecast for

Ulm MTSimilar City Names

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Widespread haze. Partly sunny, with a high near 82. West wind around 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Widespread haze. Partly cloudy, with a low around 52. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 52 °F

    Slight Chance
    T-storms then
    Haze

  • Wednesday

    Wednesday: Widespread haze before noon. Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 88 °F

    Haze then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. Southwest wind 5 to 9 mph becoming north in the evening.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after noon. Partly sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50. West northwest wind 8 to 10 mph becoming south southwest in the evening. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 72. West wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. West northwest wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Widespread haze. Partly sunny, with a high near 82. West wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Widespread haze. Partly cloudy, with a low around 52. West wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
Widespread haze before noon. Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. Southwest wind 5 to 9 mph becoming north in the evening.
Thursday
A 40 percent chance of showers after noon. Partly sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50. West northwest wind 8 to 10 mph becoming south southwest in the evening. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 72. West wind 8 to 16 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. West northwest wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Ulm MTSimilar City Names
 47.43°N 111.51°W (Elev. 3392 ft)
Last Update:
2:44 pm MDT Aug 5, 2025
Forecast Valid:
5pm MDT Aug 5, 2025-6pm MDT Aug 12, 2025
 
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Additional Resources

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Chance of Precipitation