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

NCSB (NCSW1)

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

31°F

-1°C

Humidity	100%
Wind Speed	NW 3 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	24 Dec 10:06 PM PST

More Information:

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

Extended Forecast for

13 Miles SSW Twisp WA

Tonight
Low: 25 °F
Partly Cloudy
Christmas Day
High: 27 °F
Snow and
Patchy Dense
Freezing Fog
Thursday Night
Low: 26 °F
Snow Likely
then Chance
Snow
Friday
High: 26 °F
Snow Likely
Friday Night
Low: 17 °F
Chance Snow
then Partly
Cloudy
Saturday
High: 25 °F
Sunny
Saturday Night
Low: 15 °F
Mostly Cloudy
Sunday
High: 28 °F
Partly Sunny
Sunday Night
Low: 18 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 25. Calm wind.

Christmas Day

Snow. Patchy dense freezing fog between 2pm and 3pm. High near 27. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 26. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

A 50 percent chance of snow before 10pm. Partly cloudy, with a low around 17. West wind around 7 mph. New snow accumulation of less than a half inch possible.

Saturday

Sunny, with a high near 25.

Saturday Night

Mostly cloudy, with a low around 15.

Sunday

Partly sunny, with a high near 28.

Sunday Night

Mostly cloudy, with a low around 18.

Monday

Partly sunny, with a high near 28.

Monday Night

Mostly cloudy, with a low around 23.