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.

Mostly Cloudy

33°F

1°C

Humidity 95%
Wind Speed SW 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 22 Mar 02:53 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Overnight

    Overnight: Mostly clear, with a low around 30. Southwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. West southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. South southwest wind 5 to 15 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. Light west southwest wind increasing to 5 to 10 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. West wind 7 to 11 mph.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 43. West northwest wind 14 to 18 mph becoming south southwest in the evening. Winds could gust as high as 25 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. Windy, with a west southwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 60 °F

    Partly Sunny
    and Windy

  • Wednesday Night

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

    Low: 29 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Southwest wind 10 to 14 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 54. West southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 31. South southwest wind 5 to 15 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 59. Light west southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 38. South southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 58. West wind 7 to 11 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 43. West northwest wind 14 to 18 mph becoming south southwest in the evening. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 60. Windy, with a west southwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 29. Breezy.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
12:46 am MDT Mar 22, 2026
3am 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