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.

Overcast

37°F

3°C

Humidity 85%
Wind Speed N 9 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 21 Mar 04:53 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: A slight chance of rain and snow.  Partly sunny, with a steady temperature around 41. North northwest wind around 10 mph.  Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 31. West northwest wind 6 to 11 mph becoming light and variable.

    Low: 31 °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 slight 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.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

Detailed Forecast

This Afternoon
A slight chance of rain and snow. Partly sunny, with a steady temperature around 41. North northwest wind around 10 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 31. West northwest wind 6 to 11 mph becoming light and variable.
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 slight 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.
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)
4:27 pm MDT Mar 21, 2026
5pm MDT Mar 21, 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