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.

Rain

54°F

12°C

Humidity 89%
Wind Speed NNW 11 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 51°F (11°C)
Visibility 8.00 mi
Last update 29 Jun 02:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 58. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Low around 47. West southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. West southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South southwest wind 6 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 74. West southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. South wind around 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming south southeast in the evening.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 58. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 47. West southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. West southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 49. South southwest wind 6 to 8 mph.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 74. West southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 48. South wind around 8 mph.
Thursday
Sunny, with a high near 76. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming south southeast in the evening.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Independence Day
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
12:31 pm MDT Jun 29, 2026
Forecast Valid:
3pm MDT Jun 29, 2026-6pm MDT Jul 6, 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