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.

Clear

61°F

16°C

Humidity 33%
Wind Speed W 16 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Mar 09:20 PM MDT
Extended Forecast for

Great Falls MT

High Wind Warning March 20, 09:38pm until March 21, 06:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 20, 09:38pm until March 21, 06:00am

    NOW until 6:00am Sat

    High Wind Warning

  • Tonight

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly between 11am and 2pm.  Mostly cloudy, with a steady temperature around 54. West wind 8 to 13 mph becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 7pm.  Mostly clear, with a low around 30. West wind 6 to 15 mph becoming north northeast in the evening. Winds could gust as high as 22 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. South southwest wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 5am. Partly cloudy, with a low around 50. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph.
Saturday
Rain likely, mainly between 11am and 2pm. Mostly cloudy, with a steady temperature around 54. West wind 8 to 13 mph becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of rain before 7pm. Mostly clear, with a low around 30. West wind 6 to 15 mph becoming north northeast in the evening. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 57. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 32. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Monday
Mostly cloudy, with a high near 59. Light southwest wind becoming west 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 63. South southwest wind 5 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 31. Breezy.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
7:46 pm MDT Mar 20, 2026
9pm MDT Mar 20, 2026-6pm MDT Mar 27, 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