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

SUGARLOAF (SGFO3)

Lat: 43.66361°NLon: 122.62917°WElev: 4328.0ft.

38°F

3°C

Humidity	90%
Wind Speed	E 5 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	24 Dec 11:06 PM PST

More Information:

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

Extended Forecast for

12 Miles SSE Disston 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
Rain Likely
Christmas Day
High: 42 °F
Rain/Snow
Likely
Thursday Night
Low: 33 °F
Snow Likely
Friday
High: 36 °F
Snow Showers
Friday Night
Low: 30 °F
Snow Showers
Saturday
High: 33 °F
Chance Snow
Showers then
Partly Sunny
Saturday Night
Low: 24 °F
Mostly Cloudy
Sunday
High: 41 °F
Partly Sunny
Sunday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers before midnight, then rain likely, mainly between midnight and 2am. Snow level 4600 feet rising to 5200 feet. Mostly cloudy, with a low around 35. East southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Christmas Day

Snow likely, possibly mixed with rain before 5pm, then a chance of rain. Snow level 5000 feet lowering to 4200 feet in the afternoon . Partly sunny, with a high near 42. South wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

Snow likely, mainly after 10pm. Increasing clouds, with a low around 33. South southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow showers. High near 36. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow showers, mainly before 4am. Low around 30. West wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 50 percent chance of snow showers before 10am. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 24.

Sunday

Partly sunny, with a high near 41.

Sunday Night

Partly cloudy, with a low around 30.

Monday

Mostly sunny, with a high near 47.

Monday Night

Partly cloudy, with a low around 35.