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.

34°F

1°C

Humidity	93%
Wind Speed	NW 3 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	24 Dec 01:06 PM PST

More Information:

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

Extended Forecast for

6 Miles W Winthrop WA

Winter Weather Advisory December 24, 01:31pm until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 01:31pm until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
This Afternoon
High: 28 °F
Chance Rain
Tonight
Low: 24 °F
Chance Rain
then Partly
Cloudy
Christmas Day
High: 28 °F
Snow Likely
Thursday Night
Low: 26 °F
Snow Likely
then Chance
Snow
Friday
High: 27 °F
Snow Likely
Friday Night
Low: 17 °F
Chance Snow
then Partly
Cloudy
Saturday
High: 27 °F
Mostly Sunny
Saturday Night
Low: 16 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 30 percent chance of rain. Mostly cloudy, with a high near 28. Light west wind. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A 30 percent chance of rain before 7pm. Partly cloudy, with a low around 24. Light and variable wind.

Christmas Day

Snow likely, mainly after 10am. Mostly cloudy, with a high near 28. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 27. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday Night

A 50 percent chance of snow before 10pm. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 27.

Saturday Night

Mostly cloudy, with a low around 16.

Sunday

Partly sunny, with a high near 28.

Sunday Night

Mostly cloudy, with a low around 20.

Monday

Partly sunny, with a high near 30.