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

27°F

-3°C

Humidity 79%
Wind Speed SSW 11 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 18 Apr 06:05 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: Sunny, with a high near 58. West southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind 5 to 11 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. West southwest wind 6 to 8 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind 7 to 10 mph becoming south after midnight.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Southeast wind 8 to 11 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 58. West southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 29. Southwest wind 5 to 11 mph.
Sunday
Sunny, with a high near 68. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 39. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 75. West southwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 43. West wind 7 to 10 mph becoming south after midnight.
Tuesday
Sunny, with a high near 81. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 47. Southeast wind 8 to 11 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 69.
Wednesday Night
Rain showers before midnight, then rain and snow. Some thunder is also possible. Cloudy, with a low around 34. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 44. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A slight chance of snow. Partly sunny, with a high near 45.
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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:
3:47 am MDT Apr 18, 2026
Forecast Valid:
6am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
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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