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 in effect from December 26, 04:00 AM PST until December 27, 07:00 AM PST

Current conditions at

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

32°F

0°C

Humidity	100%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	25 Dec 11:25 PM PST

More Information:

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

Extended Forecast for

Chinook Pass WA

Winter Weather Advisory December 26, 04:00am until December 27, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 22 °F
Chance Snow
Friday
High: 26 °F⇓
Snow
Friday Night
Low: 15 °F
Snow
Saturday
High: 20 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 12 °F
Mostly Cloudy
Sunday
High: 27 °F
Partly Sunny
Sunday Night
Low: 20 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Cloudy
Monday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. South wind around 9 mph, with gusts as high as 22 mph.

Friday

Snow, mainly after 7am. Temperature rising to near 26 by 10am, then falling to around 19 during the remainder of the day. West wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow, mainly before 4am. Low around 15. Wind chill values as low as zero. West wind 18 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 30 percent chance of snow before 10am. Partly sunny, with a high near 20. Wind chill values as low as zero. West wind 9 to 15 mph, with gusts as high as 32 mph.

Saturday Night

Mostly cloudy, with a low around 12. West wind around 7 mph.

Sunday

Partly sunny, with a high near 27.

Sunday Night

Mostly cloudy, with a low around 20.

Monday

Mostly cloudy, with a high near 33.

Monday Night

Mostly cloudy, with a low around 26.

Tuesday

Mostly cloudy, with a high near 37.