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

Winter Weather Advisory in effect from December 26, 04:00 AM PST until December 27, 04:00 PM PST

Current conditions at

PEBBLE (PEFO3)

Lat: 44.23667°NLon: 121.995°WElev: 3457.0ft.

32°F

0°C

Humidity	96%
Wind Speed	ENE 1 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	25 Dec 07:53 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles E Cougar Res. OR

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 33 °F
Chance
Rain/Snow
then
Rain/Snow
Friday
High: 36 °F
Chance Snow
then Snow
Friday Night
Low: 29 °F
Snow and
Breezy
Saturday
High: 31 °F
Snow then
Chance Snow
Showers
Saturday Night
Low: 23 °F
Slight Chance
Snow Showers
then Mostly
Cloudy
Sunday
High: 39 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Mostly Cloudy
Monday
High: 47 °F
Mostly Sunny
Monday Night
Low: 35 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow showers, possibly mixed with rain, becoming all snow after 3am. The snow could be heavy at times. Snow level 3600 feet. Low around 33. South southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

Friday

Snow, mainly after 1pm. High near 36. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around 29. Breezy, with a west wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow before 10am, then a chance of snow showers, mainly between 10am and 4pm. High near 31. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 23. Light and variable wind becoming south around 5 mph in the evening.

Sunday

Mostly sunny, with a high near 39.

Sunday Night

Mostly cloudy, with a low around 29.

Monday

Mostly sunny, with a high near 47.

Monday Night

Partly cloudy, with a low around 35.

Tuesday

Partly sunny, with a high near 51.

Tuesday Night

Mostly cloudy, with a low around 37.