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 >

Current conditions at

SISTERS (K6K5)

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

NA

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 24 Dec 10:55 PM PST
Extended Forecast for

Suttle Lake OR

  • Tonight

    Tonight: Snow likely, mainly after 4am. Patchy fog after 1am. Snow level 3700 feet. Otherwise, mostly cloudy, with a low around 25. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: Rain and snow likely, mainly before 4pm. Snow level 4000 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 47. Northeast wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then snow likely. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow. High near 40. Southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 4am. Low around 23. West wind around 14 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 10am. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 17.

    Low: 17 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 41.

    High: 41 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 18.

    Low: 18 °F

    Patchy Fog

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Patchy fog after 1am. Snow level 3700 feet. Otherwise, mostly cloudy, with a low around 25. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow likely, mainly before 4pm. Snow level 4000 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 47. Northeast wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 10pm, then snow likely. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 40. Southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly before 4am. Low around 23. West wind around 14 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
A 50 percent chance of snow, mainly before 10am. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 17.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 41.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A slight chance of rain. Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Suttle Lake OR
 44.42°N 121.73°W (Elev. 3599 ft)
Last Update:
9:22 pm PST Dec 24, 2025
Forecast Valid:
11pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation