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

27°F

-3°C

Humidity 79%
Wind Speed SSW 11 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 18 Apr 06:05 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Southwest wind 6 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. West southwest wind 5 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind 6 to 9 mph becoming south after midnight.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. East southeast wind 6 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 28. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 38. Southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 76. West southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 43. West wind 6 to 9 mph becoming south after midnight.
Tuesday
Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 47. East southeast wind 6 to 10 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Wednesday Night
Rain showers before midnight, then rain between midnight and 3am, then rain and snow after 3am. Some thunder is also possible. Cloudy, with a low around 34.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 46.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A slight chance of snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
3:47 am MDT Apr 18, 2026
Forecast Valid:
6am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation