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

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 58. West southwest wind 9 to 13 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 58 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 36. East northeast wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain. High near 55. West southwest wind 8 to 15 mph, with gusts as high as 22 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 37. West southwest wind around 16 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Mostly cloudy, with a high near 53. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 39 mph.

    High: 53 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    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 25.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday
A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 58. West southwest wind 9 to 13 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Rain. Low around 36. East northeast wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 55. West southwest wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 37. West southwest wind around 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 53. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 39 mph.
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 25.
Thursday
Snow likely, mainly after noon. Mostly cloudy, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19.
Friday
A slight chance of snow. Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 23.
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
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
9:32 pm MDT Apr 11, 2026
Forecast Valid:
10pm 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