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

48°F

9°C

Humidity 87%
Wind Speed SSW 10 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Jun 06:00 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain and thunderstorms. Low around 48. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Chance
    T-storms then
    Rain

  • Sunday

    Sunday: Rain. High near 59. Southwest wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 45. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain, with thunderstorms also possible after 3pm. High near 62. Southwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    High: 62 °F

    Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 46. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Southwest wind 5 to 9 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Tonight
Rain and thunderstorms. Low around 48. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 59. Southwest wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 45. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Monday
Rain, with thunderstorms also possible after 3pm. High near 62. Southwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 46. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Southwest wind 5 to 9 mph.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
4:52 am MDT Jun 27, 2026
Forecast Valid:
6am MDT Jun 27, 2026-6pm MDT Jul 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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