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.

51°F

11°C

Humidity	75%
Wind Speed	SW 9 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	24 Dec 10:26 PM PST

More Information:

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

Extended Forecast for

17 Miles SW Willows CA

Flood Watch December 24, 11:40pm until December 26, 04:00pm

Flood Advisory until December 25, 09:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Advisory

Winter Storm Warning

Flood Watch December 24, 11:40pm until December 26, 04:00pm
Flood Advisory until December 25, 09:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 43 °F
Showers and
Breezy
Christmas Day
High: 50 °F
Showers and
Breezy
Thursday Night
Low: 39 °F
Rain
Friday
High: 49 °F
Rain
Friday Night
Low: 35 °F
Rain Likely
then Chance
Rain
Saturday
High: 49 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 33 °F
Mostly Clear
Sunday
High: 50 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm before 1am, then rain, mainly after 1am. Low around 43. Breezy, with a south southeast wind 22 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Christmas Day

Rain and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 50. Breezy, with a south wind 22 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 39. South wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. High near 49. South southeast wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. South wind around 6 mph becoming north northwest after midnight. Chance of precipitation is 60%.

Saturday

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 49.

Saturday Night

Mostly clear, with a low around 33.

Sunday

Mostly sunny, with a high near 50.

Sunday Night

Partly cloudy, with a low around 34.

Monday

Mostly sunny, with a high near 54.

Monday Night

Partly cloudy, with a low around 35.