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	NNE 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	26 Dec 02:06 AM PST

More Information:

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

Extended Forecast for

4 Miles SSW Winthrop WA

Overnight
Low: 26 °F
Patchy
Freezing Fog
Friday
High: 31 °F
Snow Likely
Friday Night
Low: 11 °F
Chance Snow
then Slight
Chance Snow
Saturday
High: 22 °F
Sunny
Saturday Night
Low: 10 °F
Mostly Cloudy
Sunday
High: 25 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Mostly Cloudy
Monday
High: 24 °F
Mostly Cloudy
Monday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Overnight

Patchy freezing fog. Mostly cloudy, with a low around 26. Calm wind.

Friday

Snow likely, mainly between 10am and 4pm. Partly sunny, with a high near 31. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

A 50 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 11. Northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

Saturday

Sunny, with a high near 22. Light northwest wind.

Saturday Night

Mostly cloudy, with a low around 10. Calm wind.

Sunday

Mostly sunny, with a high near 25.

Sunday Night

Mostly cloudy, with a low around 14.

Monday

Mostly cloudy, with a high near 24.

Monday Night

Mostly cloudy, with a low around 19.