Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands

Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

48°F

9°C

Humidity 81%
Wind Speed SW 4 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 19 Sep 06:05 AM MDT
Extended Forecast for

2 Miles NE Great Falls International Airport MT

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. East wind 5 to 7 mph becoming southwest after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Southwest wind 6 to 9 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. South southwest wind 7 to 9 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. South southwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 49. West southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 69. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West northwest wind 6 to 8 mph becoming south in the evening.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. East wind 5 to 7 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 87. Southwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 52. South southwest wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 83. South southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49. West southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 69. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 45. West northwest wind 6 to 8 mph becoming south in the evening.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Great Falls International Airport MT
 47.49°N 111.34°W (Elev. 3399 ft)
2:08 am MDT Sep 19, 2025
6am MDT Sep 19, 2025-6pm MDT Sep 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database