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.

44°F

7°C

Humidity	86%
Wind Speed	WSW 5 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	25 Dec 07:26 PM PST

More Information:

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

Extended Forecast for

21 Miles WSW Willows CA

Flood Watch December 25, 07:55pm until December 26, 04:00pm

Winter Storm Warning December 25, 07:55pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 07:55pm until December 26, 04:00pm
Winter Storm Warning December 25, 07:55pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 36 °F
Showers
Friday
High: 52 °F
Rain
Friday Night
Low: 33 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 32 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 33 °F
Clear
Monday
High: 58 °F
Sunny

Detailed Forecast

Tonight

Showers and thunderstorms before 1am, then rain likely, mainly after 5am. Low around 36. South wind 13 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 3pm. High near 52. South southeast wind 10 to 17 mph, with gusts as high as 32 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 southeast wind 5 to 7 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch possible.

Saturday

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. North northwest wind around 6 mph.

Sunday

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.