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 >

Current conditions at

SISTERS (K6K5)

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

NA

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 25 Dec 04:55 PM PST
Extended Forecast for

5 Miles N 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
  • Tonight

    Tonight: Snow likely, possibly mixed with rain, mainly after 10pm.  Snow level 4200 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 29. Light and variable wind.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then rain and snow after 10am.  Snow level 3300 feet. High near 41. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Friday Night

    Friday Night: Snow.  Low around 25. West wind 14 to 18 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 10am.  Partly sunny, with a high near 36. West wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °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 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, possibly mixed with rain, mainly after 10pm. Snow level 4200 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then rain and snow after 10am. Snow level 3300 feet. High near 41. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 25. West wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
Snow likely, mainly before 10am. Partly sunny, with a high near 36. West wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 19. Calm wind.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A slight chance of rain. Partly sunny, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29.
New Year's Day
Rain and snow likely. Mostly cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Camp Sherman OR
 44.54°N 121.65°W (Elev. 3205 ft)
3:30 pm PST Dec 25, 2025
6pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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