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

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

34°F

1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.53 in (1000.0 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 25 Dec 08:55 AM PST
Extended Forecast for

Camp Sherman OR

Winter Weather Advisory December 26, 04:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm. Patchy fog before 10am. Snow level 4700 feet. Otherwise, partly sunny, with a high near 44. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Tonight

    Tonight: A chance of snow before 7pm, then snow likely after 10pm. Mostly cloudy, with a low around 28. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 39. Southwest wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 4am. Low around 25. West wind 11 to 14 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 10am. Partly sunny, with a high near 34. West wind around 8 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm. Patchy fog before 10am. Snow level 4700 feet. Otherwise, partly sunny, with a high near 44. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A chance of snow before 7pm, then snow likely after 10pm. Mostly cloudy, with a low around 28. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 39. Southwest wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly before 4am. Low around 25. West wind 11 to 14 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
A 50 percent chance of snow, mainly before 10am. Partly sunny, with a high near 34. West wind around 8 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 46.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Camp Sherman OR
 44.43°N 121.62°W (Elev. 3786 ft)
Last Update:
9:32 am PST Dec 25, 2025
Forecast Valid:
9am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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