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.

Overcast

34°F

1°C

Humidity 80%
Wind Speed SSW 6 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Apr 09:35 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: A 20 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Southwest wind 6 to 8 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 5 to 8 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West wind 5 to 10 mph becoming south in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 75. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 44. West wind 5 to 10 mph becoming south in the evening.
Tuesday
Mostly sunny, with a high near 82. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 73.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 48.
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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:
9:32 pm MDT Apr 17, 2026
Forecast Valid:
9pm MDT Apr 17, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation