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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

SCE Boulder Campground (615SE)

Lat: 37.93007°NLon: 119.16851°WElev: 7413.0ft.

NA

32°F

0°C

Humidity 99%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 11:20 AM PST
Extended Forecast for

Tioga Pass CA

Winter Storm Warning until December 26, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until December 26, 10:00am

    NOW until 10:00am Fri

    Winter Storm Warning

  • Today

    High: 32 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 22. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 22 °F

    Heavy Snow
    and Very
    Windy

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 29. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

    High: 29 °F

    Heavy Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: Snow before 10pm, then snow showers between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Some thunder is also possible. Low around 19. Strong and damaging winds, with a southwest wind 50 to 55 mph increasing to 60 to 65 mph after midnight. Winds could gust as high as 100 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    Low: 19 °F

    Heavy Snow
    and Damaging
    Winds

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 23. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 23 °F

    Heavy Snow
    and Very
    Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 8. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 26. Little or no snow accumulation expected.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 10pm. Mostly clear, with a low around 10. Blustery.

    Low: 10 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Clear

Detailed Forecast

Today
Snow. The snow could be heavy at times. High near 32. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 16 to 22 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 22. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Christmas Day
Snow. The snow could be heavy at times. High near 29. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Thursday Night
Snow before 10pm, then snow showers between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Some thunder is also possible. Low around 19. Strong and damaging winds, with a southwest wind 50 to 55 mph increasing to 60 to 65 mph after midnight. Winds could gust as high as 100 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Friday
Snow. The snow could be heavy at times. High near 23. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 8. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 26. Little or no snow accumulation expected.
Saturday Night
A slight chance of snow before 10pm. Mostly clear, with a low around 10. Blustery.
Sunday
Sunny, with a high near 27. Blustery.
Sunday Night
Mostly clear, with a low around 14. Blustery.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tioga Pass CA
 37.93°N 119.26°W (Elev. 10131 ft)
Last Update:
9:15 am PST Dec 24, 2025
Forecast Valid:
11am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation