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.

34°F

1°C

Humidity	98%
Wind Speed	SSE 1 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	25 Dec 07:07 PM PST

More Information:

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

Extended Forecast for

20 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

Tonight
Low: 35 °F
Slight Chance
Showers then
Showers
Likely
Friday
High: 44 °F
Showers
Likely then
Rain/Snow
Friday Night
Low: 31 °F
Rain/Snow
then Snow
Saturday
High: 39 °F
Snow Likely
then Chance
Snow Showers
Saturday Night
Low: 26 °F
Mostly Cloudy
Sunday
High: 44 °F
Partly Sunny
Sunday Night
Low: 27 °F
Mostly Cloudy
Monday
High: 48 °F
Partly Sunny
Monday Night
Low: 31 °F
Mostly Cloudy

Detailed Forecast

Tonight

Showers likely, mainly after 1am. Snow level 3400 feet. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain before 5pm, then rain, possibly mixed with snow. Snow level 3000 feet. High near 44. West southwest wind 3 to 7 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 31. West wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Saturday

Snow likely before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 39. West wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 26. Calm wind.

Sunday

Partly sunny, with a high near 44.

Sunday Night

Mostly cloudy, with a low around 27.

Monday

Partly sunny, with a high near 48.

Monday Night

Mostly cloudy, with a low around 31.

Tuesday

Partly sunny, with a high near 52.