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, 04:00 PM PST

Current conditions at

RED BOX (RXFO3)

Lat: 45.0275°NLon: 121.92111°WElev: 3345.0ft.

31°F

-1°C

Humidity	98%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	25 Dec 09:07 PM PST

More Information:

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

Extended Forecast for

14 Miles S Brightwood OR

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

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 31 °F
Slight Chance
Snow Showers
then Snow
Showers
Friday
High: 30 °F⇓
Snow Showers
Likely then
Snow and
Breezy
Friday Night
Low: 23 °F
Snow and
Windy
Saturday
High: 25 °F
Snow Likely
and Windy
then Chance
Snow Showers
and Breezy
Saturday Night
Low: 20 °F
Mostly Cloudy
Sunday
High: 29 °F
Partly Sunny
Sunday Night
Low: 22 °F
Mostly Cloudy
Monday
High: 32 °F
Partly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow showers, mainly after 2am. Steady temperature around 31. South southeast wind 7 to 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Friday

Snow showers likely before 7am, then snow, mainly after 7am. Temperature falling to around 26 by 5pm. Breezy, with a west wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow. Low around 23. Windy, with a west wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow likely before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 25. Windy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Saturday Night

Mostly cloudy, with a low around 20. Light west southwest wind.

Sunday

Partly sunny, with a high near 29.

Sunday Night

Mostly cloudy, with a low around 22.

Monday

Partly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 25.

Tuesday

Partly sunny, with a high near 37.