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.

33°F

1°C

Humidity	96%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	24 Dec 06:06 PM PST

More Information:

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

Extended Forecast for

16 Miles NNE Mazama WA

Tonight
Low: 13 °F
Decreasing
Clouds
Christmas Day
High: 22 °F
Chance Snow
then Snow
Thursday Night
Low: 18 °F
Snow
Friday
High: 20 °F
Snow
Friday Night
Low: 2 °F
Blustery.
Snow Likely
then Chance
Snow
Saturday
High: 13 °F
Mostly Sunny
and Blustery
then Mostly
Sunny
Saturday Night
Low: 5 °F
Mostly Cloudy
Sunday
High: 18 °F
Partly Sunny
Sunday Night
Low: 12 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Southwest wind 10 to 16 mph.

Christmas Day

Snow, mainly after 1pm. High near 22. South wind around 9 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow, mainly before 10pm. Low around 18. West wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 20. Wind chill values as low as zero. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. Blustery, with a northwest wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Mostly sunny, with a high near 13. Blustery.

Saturday Night

Mostly cloudy, with a low around 5.

Sunday

Partly sunny, with a high near 18.

Sunday Night

Mostly cloudy, with a low around 12.

Monday

Mostly cloudy, with a high near 23.

Monday Night

Mostly cloudy, with a low around 18.