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

82°F

28°C

Humidity 32%
Wind Speed SE 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 05 Jul 05:50 PM MDT
Extended Forecast for

8 Miles SSE Great Falls International Airport MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Northwest wind 6 to 9 mph becoming east southeast in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 74. North northwest wind 5 to 9 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 81. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. East northeast wind around 7 mph becoming south after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. South southwest wind around 7 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Northwest wind 6 to 9 mph becoming east southeast in the evening. Winds could gust as high as 21 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 74. North northwest wind 5 to 9 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 81. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 57. East northeast wind around 7 mph becoming south after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 82. South southwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Great Falls International Airport MT
 47.34°N 111.34°W (Elev. 3973 ft)
Last Update:
3:51 pm MDT Jul 5, 2026
Forecast Valid:
6pm MDT Jul 5, 2026-6pm MDT Jul 12, 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