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

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

47°F

8°C

Humidity	80%
Wind Speed	SSW 12 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	25 Dec 06:26 AM PST

More Information:

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

Extended Forecast for

22 Miles WSW Willows CA

Flood Watch December 25, 07:39am until December 26, 04:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 07:39am until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 51 °F
Rain Likely
then Rain
Tonight
Low: 36 °F
Rain
Friday
High: 50 °F
Rain
Friday Night
Low: 33 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 51 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 32 °F
Mostly Clear
Sunday
High: 54 °F
Mostly Sunny
Sunday Night
Low: 33 °F
Clear

Detailed Forecast

Christmas Day

Rain, mainly after 3pm. High near 51. South wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain and thunderstorms before 1am, then rain likely. Low around 36. South wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 50. South southeast wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33. South southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 51. Calm wind becoming north 5 to 7 mph in the morning.

Saturday Night

Mostly clear, with a low around 32.

Sunday

Mostly sunny, with a high near 54.

Sunday Night

Clear, with a low around 33.

Monday

Sunny, with a high near 58.

Monday Night

Mostly clear, with a low around 35.