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

45°F

7°C

Humidity 26%
Wind Speed S 11 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 27 Mar 11:00 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: Sunny, with a high near 61. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64. West southwest wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 30. Northwest wind 5 to 14 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 60. North northwest wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 38. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Monday

    Monday: A slight chance of rain before 9am, then a chance of rain and snow. Partly sunny, with a high near 63. Southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 63 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 26. North wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 26 °F

    Chance Rain
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 61. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 34. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 64. West southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 30. Northwest wind 5 to 14 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 60. North northwest wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Monday
A slight chance of rain before 9am, then a chance of rain and snow. Partly sunny, with a high near 63. Southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 26. North wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
A chance of snow. Partly sunny, with a high near 44.
Tuesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of rain. Partly sunny, with a high near 52.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 52.
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:
9:51 am MDT Mar 27, 2026
Forecast Valid:
11am MDT Mar 27, 2026-6pm MDT Apr 2, 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