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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

HEBGEN LAKE (HBRM8)

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

NA

50°F

10°C

Humidity 45%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 08 Oct 11:39 AM MDT
Extended Forecast for

West Yellowstone MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. South southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 33. East southeast wind around 6 mph becoming light and variable after midnight.

    Low: 33 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 65. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon. High near 57. South southwest wind 7 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Rain and snow showers likely before midnight, then snow likely, possibly mixed with rain. Some thunder is also possible. Mostly cloudy, with a low around 24. South southwest wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 24 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow likely before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 60. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 26. South southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 33. East southeast wind around 6 mph becoming light and variable after midnight.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 65. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 18 mph.
Saturday
Showers, with thunderstorms also possible after noon. High near 57. South southwest wind 7 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Saturday Night
Rain and snow showers likely before midnight, then snow likely, possibly mixed with rain. Some thunder is also possible. Mostly cloudy, with a low around 24. South southwest wind 10 to 17 mph, with gusts as high as 31 mph.
Sunday
Snow likely before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 40.
Sunday Night
A chance of snow showers before midnight, then a chance of snow after midnight. Some thunder is also possible. Mostly cloudy, with a low around 19.
Columbus Day
A chance of rain and snow. Partly sunny, with a high near 46.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.65°N 111.12°W (Elev. 6745 ft)
Last Update:
2:13 am MDT Oct 8, 2025
Forecast Valid:
12pm MDT Oct 8, 2025-6pm MDT Oct 14, 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