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 until December 24, 04:00 PM PST

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

32°F

0°C

Humidity	96%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	24 Dec 11:06 AM PST

More Information:

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

Extended Forecast for

10 Miles E Twisp WA

Winter Weather Advisory December 24, 11:52am until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 11:52am until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Today
High: 30 °F
Rain/Snow
Tonight
Low: 25 °F
Partly Cloudy
Christmas Day
High: 29 °F
Chance Snow
Thursday Night
Low: 27 °F
Chance Snow
then Slight
Chance Snow
Friday
High: 27 °F
Chance Snow
Friday Night
Low: 17 °F
Partly Cloudy
Saturday
High: 26 °F
Mostly Sunny
Saturday Night
Low: 18 °F
Mostly Cloudy

Detailed Forecast

Today

Rain and snow before 3pm, then a chance of rain between 3pm and 5pm, then a slight chance of rain and snow after 5pm. High near 30. Northwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Partly cloudy, with a low around 25. North wind around 6 mph.

Christmas Day

A 50 percent chance of snow after 10am. Mostly cloudy, with a high near 29. North wind 3 to 7 mph. New snow accumulation of less than one inch possible.

Thursday Night

A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 27. Light northwest wind. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow, mainly after 10am. Partly sunny, with a high near 27. Southwest wind 6 to 8 mph. New snow accumulation of less than a half inch possible.

Friday Night

Partly cloudy, with a low around 17.

Saturday

Mostly sunny, with a high near 26.

Saturday Night

Mostly cloudy, with a low around 18.

Sunday

Mostly cloudy, with a high near 27.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Mostly cloudy, with a high near 30.