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

TPZ1261Park Ranch (LIB05)

Lat: 38.6412°NLon: 119.52023°WElev: 5047.0ft.

NA

43°F

6°C

Humidity 83%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 24 Dec 11:40 AM PST
Extended Forecast for

Monitor 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: 34 °F

    Snow and
    Windy

  • Tonight

    Tonight: Snow, mainly before 1am. Low around 28. Very windy, with a south wind 40 to 50 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow and Very
    Windy

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 32. Very windy, with a south wind 50 to 55 mph, with gusts as high as 80 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 25. Strong and damaging winds, with a south wind 55 to 65 mph, with gusts as high as 95 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 25 °F

    Heavy Snow
    and Damaging
    Winds

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 28. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 15. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Little or no snow accumulation expected.

    Low: 15 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 27. Little or no snow accumulation expected.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Today
Snow. High near 34. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow, mainly before 1am. Low around 28. Very windy, with a south wind 40 to 50 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Christmas Day
Snow. The snow could be heavy at times. High near 32. Very windy, with a south wind 50 to 55 mph, with gusts as high as 80 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 25. Strong and damaging winds, with a south wind 55 to 65 mph, with gusts as high as 95 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Friday
Snow. The snow could be heavy at times. High near 28. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 15. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Little or no snow accumulation expected.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 27. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 28. Breezy.
Sunday Night
Mostly clear, with a low around 14. Breezy.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Monitor Pass CA
 38.68°N 119.61°W (Elev. 8635 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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High Temperature

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Chance of Precipitation