National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Mostly Cloudy

39°F

4°C

Humidity 75%
Wind Speed W 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Nov 11:05 PM MST
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind 6 to 10 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 44. West northwest wind around 6 mph becoming calm in the afternoon.

    High: 44 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind becoming south around 5 mph in the evening.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. South southwest wind 6 to 10 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 54 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Southwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. Southwest wind 17 to 21 mph, with gusts as high as 32 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Southwest wind 6 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 44. West northwest wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind becoming south around 5 mph in the evening.
Thursday
Sunny, with a high near 52. South southwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 54. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 35. Southwest wind 16 to 18 mph, with gusts as high as 28 mph.
Saturday
Partly sunny, with a high near 54. Southwest wind 17 to 21 mph, with gusts as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A slight chance of rain before 11am. Partly sunny, with a high near 54.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35.
Monday
A chance of rain and snow. Partly sunny, with a high near 51.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
9:48 pm MST Nov 18, 2025
Forecast Valid:
11pm MST Nov 18, 2025-6pm MST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation