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

28°F

-2°C

Humidity 86%
Wind Speed SW 11 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Apr 03:35 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Mostly clear, with a low around 26. Southwest wind around 8 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

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

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: 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.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Southwest wind around 8 mph.
Saturday
Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
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.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Wednesday Night
Rain and snow. 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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
12:31 am MDT Apr 18, 2026
Forecast Valid:
3am 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