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.

30°F

-1°C

Humidity	100%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	24 Dec 05:06 AM PST

More Information:

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

Extended Forecast for

3 Miles SW Mazama WA

Winter Weather Advisory December 24, 06:01am until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 06:01am until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Today
High: 32 °F
Heavy Snow
then
Rain/Snow
Tonight
Low: 22 °F
Chance
Rain/Snow
then Mostly
Clear
Christmas Day
High: 31 °F
Snow Likely
then
Rain/Snow
Thursday Night
Low: 26 °F
Rain/Snow
Friday
High: 31 °F
Rain/Snow
then Snow
Friday Night
Low: 18 °F
Chance Snow
then Partly
Cloudy
Saturday
High: 31 °F
Mostly Sunny
Saturday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Today

Rain and snow before 4pm, then a chance of rain between 4pm and 5pm, then a chance of rain and snow after 5pm. The snow could be heavy at times. High near 32. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

A chance of rain and snow before 7pm. Partly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Christmas Day

Rain and snow likely before 2pm, then snow likely between 2pm and 4pm, then rain and snow after 4pm. High near 31. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

Rain and snow before 10pm, then a chance of rain between 10pm and 1am, then rain and snow likely after 1am. Low around 26. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday

Rain and snow likely before 7am, then snow. High near 31. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

A 40 percent chance of snow before 10pm. Mostly cloudy, with a low around 18. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 31.

Saturday Night

Mostly cloudy, with a low around 19.

Sunday

Partly sunny, with a high near 34.

Sunday Night

Mostly cloudy, with a low around 24.

Monday

Mostly cloudy, with a high near 39.