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 29.62 in (1003.05 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 24 Dec 06:55 PM PST
Extended Forecast for

6 Miles NNW Suttle Lake OR

  • Tonight

    Tonight: Snow likely after 1am.  Mostly cloudy, with a low around 26. North wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Partly Cloudy
    then Snow
    Likely

  • Christmas Day

    Christmas Day: Snow likely, mainly before 4pm.  Partly sunny, with a high near 39. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow, mainly after 7pm.  Low around 27. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Snow

  • Friday

    Friday: Snow.  High near 32. Southwest wind 16 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 23. Breezy, with a west wind around 26 mph, with gusts as high as 47 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow likely, mainly before 10am.  Mostly cloudy, with a high near 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

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

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely after 1am. Mostly cloudy, with a low around 26. North wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Christmas Day
Snow likely, mainly before 4pm. Partly sunny, with a high near 39. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow, mainly after 7pm. Low around 27. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 32. Southwest wind 16 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 23. Breezy, with a west wind around 26 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
A slight chance of rain and snow. Snow level 5900 feet. Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Suttle Lake OR
 44.5°N 121.79°W (Elev. 5049 ft)
3:20 pm PST Dec 24, 2025
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Hourly Weather Forecast

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