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

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6565.0ft.

NA

61°F

16°C

Humidity 19%
Wind Speed SW 9 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Last update 08 Oct 05:15 PM MDT
Extended Forecast for

20 Miles NNW West Yellowstone MT

  • Tonight

    Tonight: Mostly clear, with a low around 34. South southwest wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. South wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Southeast wind around 11 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 49. Southeast wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 49 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 39. South wind around 16 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Rain showers before 9am, then rain and snow showers. Some thunder is also possible. High near 42. South southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Snow showers likely before midnight, then snow likely after midnight. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 22. South southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 4 to 8 inches possible.

    Low: 22 °F

    Heavy Snow

  • Sunday

    Sunday: Snow likely before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 25. Southwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 25 °F

    Snow Likely

  • Sunday Night

    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 21.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 34. South southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 52. South wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 38. Southeast wind around 11 mph, with gusts as high as 18 mph.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 49. Southeast wind 10 to 18 mph, with gusts as high as 29 mph.
Friday Night
A 40 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 39. South wind around 16 mph, with gusts as high as 25 mph.
Saturday
Rain showers before 9am, then rain and snow showers. Some thunder is also possible. High near 42. South southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Snow showers likely before midnight, then snow likely after midnight. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 22. South southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow likely before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 25. Southwest wind 14 to 18 mph, with gusts as high as 30 mph.
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 21.
Columbus Day
A chance of snow. Partly sunny, with a high near 30.
Monday Night
A chance of snow. Mostly cloudy, with a low around 24.
Tuesday
A chance of snow. Partly sunny, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNW West Yellowstone MT
 44.94°N 111.26°W (Elev. 9600 ft)
Last Update:
2:13 am MDT Oct 8, 2025
Forecast Valid:
5pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation