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

Current conditions at

HIDDEN VALLEY (HDVC1)

Lat: 40.44192°NLon: 120.62694°WElev: 4452.0ft.

37°F

3°C

Humidity	92%
Wind Speed	SSE 10 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	25 Dec 06:11 AM PST

More Information:

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

Extended Forecast for

5 Miles ESE Susanville CA

Flood Advisory until December 25, 02:30pm

Winter Storm Warning December 25, 06:39am until December 26, 10:00am

Click here for hazard details and duration

Flood Advisory

Winter Storm Warning

Flood Advisory until December 25, 02:30pm
Winter Storm Warning December 25, 06:39am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 44 °F
Rain/Snow and
Patchy Fog
Tonight
Low: 29 °F
Rain/Snow and
Patchy Fog
Friday
High: 43 °F
Snow then
Rain/Snow
Friday Night
Low: 24 °F
Rain/Snow
Likely then
Chance Snow
Saturday
High: 40 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 14 °F
Partly Cloudy
Sunday
High: 37 °F
Mostly Sunny
Sunday Night
Low: 12 °F
Mostly Clear

Detailed Forecast

Christmas Day

Rain before 7am, then rain and snow. Patchy fog before 10am. Snow level 5500 feet lowering to 4800 feet in the afternoon . High near 44. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain and snow, becoming all snow after 1am. Patchy fog. Snow level 4700 feet lowering to 4100 feet after midnight . Low around 29. Southeast wind around 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Friday

Snow before 1pm, then rain and snow. High near 43. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 24. West wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A 20 percent chance of snow before 10am. Mostly sunny, with a high near 40. Calm wind becoming north around 5 mph.

Saturday Night

Partly cloudy, with a low around 14. North wind around 5 mph.

Sunday

Mostly sunny, with a high near 37.

Sunday Night

Mostly clear, with a low around 12.

Monday

Sunny, with a high near 40.

Monday Night

Mostly clear, with a low around 15.