National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

36°F

2°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 09 Apr 09:53 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: Sunny, with a high near 53. Light east southeast wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. East northeast wind 6 to 13 mph becoming south after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. East northeast wind 7 to 13 mph becoming south southwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. West southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. West wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Partly sunny, with a high near 55. West wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 34. North wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 53. Light east southeast wind becoming east northeast 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 28. East northeast wind 6 to 13 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 40. East northeast wind 7 to 13 mph becoming south southwest after midnight.
Saturday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. West southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. West wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday
Showers likely, mainly after noon. Partly sunny, with a high near 55. West wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Sunday Night
Rain. Mostly cloudy, with a low around 34. North wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Rain likely. Mostly cloudy, with a high near 47.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A slight chance of rain. Partly sunny, with a high near 58. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
4:36 am MDT Apr 9, 2026
Forecast Valid:
11am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation