Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

STONYFORD (SYWC1)

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

53°F

12°C

Humidity	92%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	24 Dec 12:26 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 24, 01:24am until December 26, 04:00pm

Winter Storm Warning December 24, 04:00pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 01:24am until December 26, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Overnight
Low: 42 °F
Showers and
Breezy
Wednesday
High: 56 °F
Chance Rain
Wednesday Night
Low: 39 °F
Showers
Christmas Day
High: 50 °F
Showers
Thursday Night
Low: 36 °F
Rain
Friday
High: 51 °F
Showers
Friday Night
Low: 36 °F
Rain Likely
Saturday
High: 52 °F
Slight Chance
Rain then
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 42. Breezy, with a south wind 20 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A chance of rain and thunderstorms. Partly sunny, with a high near 56. Southeast wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 39. South southeast wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Christmas Day

Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 50. South wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 36. South wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

Friday

Rain before 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 51. Chance of precipitation is 90%.

Friday Night

Rain likely and possibly a thunderstorm before 10pm, then a chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

Saturday

A slight chance of rain before 10am. Mostly sunny, with a high near 52.

Saturday Night

Mostly clear, with a low around 32.

Sunday

Sunny, with a high near 55.