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Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

27°F

-3°C

Humidity 68%
Wind Speed SSW 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 20 Jan 04:55 PM MST
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. Northwest wind 5 to 8 mph.

    High: 27 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6. Wind chill values as low as zero. Light and variable wind becoming northeast around 6 mph in the evening.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16. Wind chill values as low as -5. North northwest wind 6 to 10 mph.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -5. Northeast wind 8 to 10 mph.

    Low: -5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 12. Northeast wind around 7 mph becoming northwest in the afternoon.

    High: 12 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. South southwest wind around 7 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly cloudy, with a high near 27. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 6. Wind chill values as low as zero. Light and variable wind becoming northeast around 6 mph in the evening.
Thursday
Partly sunny, with a high near 16. Wind chill values as low as -5. North northwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around -5. Northeast wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 12. Northeast wind around 7 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 2. South southwest wind around 7 mph.
Saturday
Partly sunny, with a high near 27. West wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 47.
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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:
3:44 pm MST Jan 20, 2026
Forecast Valid:
5pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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