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.

Overcast

61°F

16°C

Humidity 41%
Wind Speed S 19 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Apr 03:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 67. West southwest wind around 16 mph, with gusts as high as 24 mph.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 39. Southwest wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 57. West southwest wind 8 to 13 mph becoming east northeast in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 39. East northeast wind 8 to 13 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain. High near 55. West southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West southwest wind 15 to 17 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 18 to 28 mph, with gusts as high as 37 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 33 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Mostly cloudy, with a high near 54. Breezy.

    High: 54 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 67. West southwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 39. Southwest wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 57. West southwest wind 8 to 13 mph becoming east northeast in the afternoon.
Sunday Night
Rain. Low around 39. East northeast wind 8 to 13 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Monday
Rain. High near 55. West southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West southwest wind 15 to 17 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 18 to 28 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 33 mph.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 54. Breezy.
Wednesday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 27.
Thursday
Snow likely. Mostly cloudy, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A slight chance of snow. Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
Last Update:
12:32 pm MDT Apr 11, 2026
Forecast Valid:
4pm MDT Apr 11, 2026-6pm MDT Apr 18, 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