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Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

18°F

-8°C

Humidity 67%
Wind Speed ENE 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 21 Jan 06:20 PM MST
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 18. Wind chill values as low as zero. Light north northeast wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 18 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around -6. Wind chill values as low as -15. Northeast wind 7 to 10 mph.

    Low: -6 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 8. Wind chill values as low as -20. Northeast wind around 6 mph becoming west in the afternoon.

    High: 8 °F

    Decreasing
    Clouds

  • Friday Night

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

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 23 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. West southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 9. Calm wind.
Thursday
Mostly cloudy, with a high near 18. Wind chill values as low as zero. Light north northeast wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around -6. Wind chill values as low as -15. Northeast wind 7 to 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 8. Wind chill values as low as -20. Northeast wind around 6 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around -2. Southwest wind 3 to 5 mph.
Saturday
Mostly cloudy, with a high near 23. West wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 8. West southwest wind 7 to 9 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 29. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 14.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
1:32 pm MST Jan 21, 2026
6pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
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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