National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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 41%
Wind Speed SSE 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 May 02:30 AM MDT
Extended Forecast for

6 Miles WSW Ulm MT

High Wind Warning May 14, 12:00am until May 14, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 90. Breezy, with a light and variable wind becoming west 17 to 22 mph in the morning. Winds could gust as high as 47 mph. Chance of precipitation is 80%.

    High: 90 °F

    Slight Chance
    Showers then
    Severe
    Thunderstorms
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 47. Windy, with a southwest wind 22 to 27 mph increasing to 32 to 37 mph in the evening. Winds could gust as high as 55 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Windy. Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. Windy, with a west southwest wind 36 to 44 mph, with gusts as high as 55 mph.

    High: 65 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a west southwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 41 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 66. Windy, with a west wind 14 to 19 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 40 mph.

    High: 66 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 59 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 50. Light and variable wind.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 90. Breezy, with a light and variable wind becoming west 17 to 22 mph in the morning. Winds could gust as high as 47 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 47. Windy, with a southwest wind 22 to 27 mph increasing to 32 to 37 mph in the evening. Winds could gust as high as 55 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 65. Windy, with a west southwest wind 36 to 44 mph, with gusts as high as 55 mph.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a west southwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 41 mph.
Friday
Sunny, with a high near 66. Windy, with a west wind 14 to 19 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 40 mph.
Friday Night
Partly cloudy, with a low around 40. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Partly sunny, with a high near 59. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Mostly cloudy, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 68.
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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:
12:31 am MDT May 13, 2026
Forecast Valid:
2am MDT May 13, 2026-6pm MDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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