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

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 25 Dec 12:55 PM PST
Extended Forecast for

6 Miles NNW Suttle Lake OR

Winter Weather Advisory December 26, 04:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Christmas Day

    Christmas Day: A 30 percent chance of snow, mainly after 4pm.  Mostly sunny, with a high near 35. Southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 10pm.  Low around 27. South wind around 8 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow

  • Friday

    Friday: Snow, mainly after 1pm.  High near 31. West wind 16 to 20 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow Likely
    then Snow

  • Friday Night

    Friday Night: Snow.  Low around 22. Windy, with a west wind around 31 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Snow and
    Windy

  • Saturday

    Saturday: Snow, mainly before 10am.  High near 26. Breezy, with a west wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Snow and
    Breezy then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 10pm.  Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
A 30 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 35. Southwest wind around 10 mph, with gusts as high as 23 mph.
Tonight
Snow, mainly after 10pm. Low around 27. South wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly after 1pm. High near 31. West wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 22. Windy, with a west wind around 31 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow, mainly before 10am. High near 26. Breezy, with a west wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
A slight chance of rain and snow. Snow level 5900 feet. Partly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Suttle Lake OR
 44.5°N 121.79°W (Elev. 5049 ft)
1:30 pm PST Dec 25, 2025
2pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database