Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

71°F

22°C

Humidity 23%
Wind Speed WSW 24 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Mar 02:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

High Wind Warning March 20, 09:00am until March 21, 12:00pm
Click here for hazard details and duration
High Wind Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 49 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75. Windy, with a southwest wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 75 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Windy, with a southwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 47 mph.

    Low: 47 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon.  Partly sunny, with a high near 62. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 62 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West northwest wind 10 to 20 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Southwest wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57. Southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Friday
Partly sunny, with a high near 75. Windy, with a southwest wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
Partly cloudy, with a low around 47. Windy, with a southwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 47 mph.
Saturday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 62. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 28. West northwest wind 10 to 20 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 54. Southwest wind 10 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 30. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday
Mostly cloudy, with a high near 57. Southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 58. Windy.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27. Breezy.
Thursday
Mostly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
2:27 pm MDT Mar 19, 2026
3pm MDT Mar 19, 2026-6pm MDT Mar 26, 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