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.

37°F

3°C

Humidity	97%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	25 Dec 10:07 AM PST

More Information:

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

Extended Forecast for

13 Miles NNE Detroit OR

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

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 39 °F
Snow Likely
Tonight
Low: 30 °F
Slight Chance
Snow then
Snow Likely
Friday
High: 31 °F⇓
Snow Showers
and Breezy
Friday Night
Low: 26 °F
Snow Showers
and Windy
Saturday
High: 27 °F
Snow Showers
Likely and
Windy
Saturday Night
Low: 20 °F
Mostly Cloudy
Sunday
High: 33 °F
Partly Sunny
Sunday Night
Low: 24 °F
Mostly Cloudy
Monday
High: 37 °F
Partly Sunny

Detailed Forecast

Christmas Day

Snow likely, mainly before 4pm. Mostly cloudy, with a high near 39. South wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

Snow likely, mainly after 2am. Mostly cloudy, with a low around 30. South wind 11 to 14 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday

Snow showers. Temperature falling to around 28 by 3pm. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow showers. Low around 26. Windy, with a west wind around 29 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 27. Windy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

Partly sunny, with a high near 33.

Sunday Night

Mostly cloudy, with a low around 24.

Monday

Partly sunny, with a high near 37.

Monday Night

Mostly cloudy, with a low around 28.

Tuesday

Partly sunny, with a high near 41.