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Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

23°F

-5°C

Humidity 74%
Wind Speed SSW 14 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 06:53 PM MST
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. Northwest wind 3 to 7 mph.

    High: 27 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 17. Wind chill values as low as zero. Calm wind becoming north northeast 5 to 9 mph in the afternoon.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6. Northeast wind 6 to 9 mph.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. Light and variable wind becoming north northeast around 6 mph in the afternoon.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. South southwest wind 3 to 5 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 27. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 6. Calm wind.
Thursday
Partly sunny, with a high near 17. Wind chill values as low as zero. Calm wind becoming north northeast 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around -6. Northeast wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 13. Light and variable wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 2. South southwest wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 29. West wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
3:44 pm MST Jan 20, 2026
Forecast Valid:
7pm MST Jan 20, 2026-6pm MST Jan 27, 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