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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

70°F

21°C

Humidity 43%
Wind Speed ENE 8 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Aug 08:20 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming west southwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. West southwest wind around 7 mph becoming north in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. North wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Northeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light and variable wind becoming north 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. North northeast wind 5 to 10 mph becoming light east northeast after midnight.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 89. West southwest wind around 7 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 51. North wind around 6 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. Northeast wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 87. Light and variable wind becoming north 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. North northeast wind 5 to 10 mph becoming light east northeast after midnight.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
Last Update:
4:13 pm MDT Aug 30, 2025
Forecast Valid:
8pm MDT Aug 30, 2025-6pm MDT Sep 6, 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