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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

HEBGEN LAKE (HBRM8)

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

NA

40°F

4°C

Humidity 81%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 15 Nov 06:39 AM MST
Extended Forecast for

West Yellowstone MT

  • Today

    Today: Mostly sunny, with a high near 48. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Sunday

    Sunday: A chance of snow before 10am, then rain likely. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely and
    Areas Fog
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28. Light south southwest wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: Snow before 10am, then rain and snow between 10am and 11am, then rain likely after 11am. High near 41. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 27. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Tuesday

    Tuesday: Snow likely before 10am, then rain and snow likely between 10am and 11am, then a chance of rain after 11am. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23. Light south wind.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Rain and snow likely before noon, then a chance of rain between noon and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 48. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tonight
Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 25. Calm wind.
Sunday
A chance of snow before 10am, then rain likely. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28. Light south southwest wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow before 10am, then rain and snow between 10am and 11am, then rain likely after 11am. High near 41. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 27. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 10am, then rain and snow likely between 10am and 11am, then a chance of rain after 11am. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. Light south wind.
Wednesday
Rain and snow likely before noon, then a chance of rain between noon and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 40.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 40.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 39.
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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:
8:49 am MST Nov 15, 2025
Forecast Valid:
11am MST Nov 15, 2025-6pm MST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation