Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. Tropical storm conditions are possible along the east coast of Florida beginning Monday. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest today Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

66°F

19°C

Humidity 35%
Wind Speed N 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 28 Sep 01:53 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: Patchy smoke. Sunny, with a high near 78. Northeast wind around 9 mph.

    High: 78 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 9pm, then patchy smoke after 3am. Mostly clear, with a low around 48. East northeast wind 5 to 9 mph becoming calm  in the evening.

    Low: 48 °F

    Patchy Smoke

  • Monday

    Monday: Patchy smoke before 7am. Sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 88 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. East southeast wind 6 to 8 mph becoming south southwest after midnight.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon.  Partly sunny, with a high near 81. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Patchy smoke. Sunny, with a high near 78. Northeast wind around 9 mph.
Tonight
Patchy smoke before 9pm, then patchy smoke after 3am. Mostly clear, with a low around 48. East northeast wind 5 to 9 mph becoming calm in the evening.
Monday
Patchy smoke before 7am. Sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. East southeast wind 6 to 8 mph becoming south southwest after midnight.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 81. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 77. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 47. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 74.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Partly sunny, with a high near 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
6:53 am MDT Sep 28, 2025
2pm MDT Sep 28, 2025-6pm MDT Oct 4, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database