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 92%
Wind Speed SSW 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 22 Mar 03:35 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Mostly clear, with a low around 29. Southwest wind 8 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. West southwest wind 8 to 13 mph becoming light southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. West wind 5 to 9 mph.

    High: 59 °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 10 to 14 mph becoming south southwest in the evening. Winds could gust as high as 22 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after noon.  Partly sunny, with a high near 61. Breezy, with a west southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending.  Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Southwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 30. West southwest wind 8 to 13 mph becoming light southwest after midnight. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light southwest after midnight.
Tuesday
Mostly cloudy, with a high near 59. West wind 5 to 9 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 43. West northwest wind 10 to 14 mph becoming south southwest in the evening. Winds could gust as high as 22 mph.
Wednesday
A slight chance of rain after noon. Partly sunny, with a high near 61. Breezy, with a west southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph.
Wednesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 30. Breezy.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 57.
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:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 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