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 93%
Wind Speed NA 4 MPH
Barometer 29.5 in (998.99 mb)
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 24 Dec 10:55 AM PST
Extended Forecast for

6 Miles ESE Suttle Lake OR

  • Today

    Today: Rain likely before 1pm.  Mostly sunny, with a temperature falling to around 35 by 5pm. Southwest wind 18 to 20 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Tonight

    Tonight: A 50 percent chance of snow after 1am.  Patchy fog after 1am. Snow level 3800 feet.  Otherwise, increasing clouds, with a low around 25. Calm wind.  Little or no snow accumulation expected.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow and
    Patchy Fog

  • Christmas Day

    Christmas Day: Rain and snow likely, becoming all rain after 10am.  Snow level 3900 feet rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain or freezing rain before 10pm, then snow likely.  Snow level 3800 feet. Mostly cloudy, with a low around 24. Light southwest wind.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Wintry Mix
    Likely then
    Snow Likely

  • Friday

    Friday: Rain and snow, becoming all snow after 1pm.  High near 42. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    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 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely before 1pm. Mostly sunny, with a temperature falling to around 35 by 5pm. Southwest wind 18 to 20 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of snow after 1am. Patchy fog after 1am. Snow level 3800 feet. Otherwise, increasing clouds, with a low around 25. Calm wind. Little or no snow accumulation expected.
Christmas Day
Rain and snow likely, becoming all rain after 10am. Snow level 3900 feet rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of rain or freezing rain before 10pm, then snow likely. Snow level 3800 feet. Mostly cloudy, with a low around 24. Light southwest wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow, becoming all snow after 1pm. High near 42. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. 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 18.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Suttle Lake OR
 44.38°N 121.66°W (Elev. 3396 ft)
10:56 am PST Dec 24, 2025
11am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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