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

Heavy Rainfall and Flooding Concerns in the Southeast; Unsettled Weather in the West

Heavy to excessive rainfall will persist across much of the Southeast U.S. over the next several days, with isolated flash flooding possible. The heaviest rainfall is forecast over the east coast of Florida. Showers and thunderstorms will continue in the Pacific Northwest and Intermountain West through the weekend. Snow could mix with rain in the highest elevations. Read More >

Hazardous Weather Conditions

Current conditions at

HEBGEN LAKE (HBRM8)

Lat: 44.66597°NLon: 111.09911°WElev: 6700.0ft.

NA

48°F

9°C

Humidity 60%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 02 Oct 09:39 PM MDT
Extended Forecast for

West Yellowstone MT

Winter Storm Watch October 4, 06:00pm until October 5, 06:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southeast wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 30. South southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 30 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 9am, then rain after 9am. High near 50. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%.

    High: 50 °F

    Showers

  • Saturday Night

    Saturday Night: Rain before midnight, then rain and snow. Low around 23. North wind 3 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow before noon, then rain between noon and 3pm, then rain and snow after 3pm. High near 44. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 15. Light northeast wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 15 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. South southeast wind around 5 mph becoming calm after midnight.
Friday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 30. South southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 9am, then rain after 9am. High near 50. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%.
Saturday Night
Rain before midnight, then rain and snow. Low around 23. North wind 3 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain and snow before noon, then rain between noon and 3pm, then rain and snow after 3pm. High near 44. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 15. Light northeast wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 52. Light and variable wind.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 59.
Wednesday Night
A slight chance of rain and snow. Mostly clear, with a low around 24.
Thursday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.67°N 111.09°W (Elev. 6686 ft)
Last Update:
8:31 pm MDT Oct 2, 2025
Forecast Valid:
10pm MDT Oct 2, 2025-6pm MDT Oct 9, 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