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

Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

50°F

10°C

Humidity 61%
Wind Speed NNW 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 09 Oct 11:20 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: Sunny, with a high near 65. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northeast wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. East southeast wind 6 to 8 mph becoming south southwest after midnight.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 69. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before noon. Mostly cloudy, with a high near 48. West northwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 26. North northeast wind around 10 mph.

    Low: 26 °F

    Chance Snow

  • Columbus Day

    Columbus Day: A chance of snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 65. Calm wind becoming east northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 37. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 48. East southeast wind 6 to 8 mph becoming south southwest after midnight.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 69. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday
Rain likely, mainly before noon. Mostly cloudy, with a high near 48. West northwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26. North northeast wind around 10 mph.
Columbus Day
A chance of snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 47.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday
A 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:
2:14 am MDT Oct 9, 2025
Forecast Valid:
11am MDT Oct 9, 2025-6pm MDT Oct 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation