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

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 07:55 PM PST
Extended Forecast for

11 Miles ESE Camp Sherman OR

  • Tonight

    Tonight: A chance of rain and snow after 1am.  Snow level 4300 feet lowering to 3600 feet. Mostly cloudy, with a low around 30. North wind around 5 mph.  Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly between 1pm and 4pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 47. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a chance of rain and snow.  Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 30. South wind around 7 mph.  Chance of precipitation is 40%.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Snow likely, possibly mixed with rain.  Snow level 3300 feet. Partly sunny, with a high near 44. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain and snow before 7pm, then a chance of snow.  Mostly cloudy, with a low around 28. West wind 9 to 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

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

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow after 1am. Snow level 4300 feet lowering to 3600 feet. Mostly cloudy, with a low around 30. North wind around 5 mph. Chance of precipitation is 30%.
Christmas Day
A 30 percent chance of rain, mainly between 1pm and 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
A chance of rain before 4am, then a chance of rain and snow. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 30. South wind around 7 mph. Chance of precipitation is 40%.
Friday
Snow likely, possibly mixed with rain. Snow level 3300 feet. Partly sunny, with a high near 44. Southwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 28. West wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 40.
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 24.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Camp Sherman OR
 44.42°N 121.43°W (Elev. 2799 ft)
8:31 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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