Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Partly Cloudy

30°F

-1°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 22 Mar 12:35 AM MDT
Extended Forecast for

9 Miles S Ulm MT

  • Overnight

    Overnight: Mostly clear, with a low around 29. Southwest wind 6 to 9 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. West southwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. West southwest wind 10 to 15 mph becoming light south  after midnight. Winds could gust as high as 23 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. West wind 6 to 11 mph becoming light south southwest  after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon.  Cloudy, with a high near 60. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 60 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain.  Partly sunny, with a high near 59. Windy, with a west southwest wind 15 to 20 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 59 °F

    Slight Chance
    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Slight Chance
    Rain and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 54. West southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 31. West southwest wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 23 mph.
Monday
Partly sunny, with a high near 59. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. West wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
A slight chance of rain and snow after noon. Cloudy, with a high near 60. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of rain. Partly sunny, with a high near 59. Windy, with a west southwest wind 15 to 20 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 29. Breezy.
Thursday
Mostly sunny, with a high near 49. Breezy.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
9:37 pm MDT Mar 21, 2026
12am MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
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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