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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Rain

55°F

13°C

Humidity	82%
Wind Speed	S 13 MPH
Barometer	29.61 in (1002.71 mb)
Dewpoint	50°F (10°C)
Visibility	7.00 mi
Last update	25 Dec 05:00 AM PST

More Information:

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

Extended Forecast for

3 Miles NNE Sebastopol CA

Flood Watch December 25, 05:24am until December 26, 10:00pm

Wind Advisory December 25, 05:24am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 05:24am until December 26, 10:00pm
Wind Advisory December 25, 05:24am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 49 °F
Severe
Thunderstorms
Christmas Day
High: 53 °F
Severe
Thunderstorms
Thursday Night
Low: 46 °F
Severe
Thunderstorms
Friday
High: 53 °F
Rain
Friday Night
Low: 41 °F
Chance Rain
Saturday
High: 53 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost and
Patchy Fog
Sunday
High: 54 °F
Areas Frost
and Patchy
Fog then
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 49. South southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Christmas Day

Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 53. South wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before 1am, then rain after 1am. Some of the storms could be severe. Low around 46. South wind 8 to 16 mph becoming east southeast after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 53. South southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41. Northwest wind 3 to 6 mph. 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 53.

Saturday Night

Patchy fog after 1am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36.

Sunday

Patchy fog before 9am. Areas of frost before 7am. Otherwise, partly sunny, with a high near 54.

Sunday Night

Patchy fog after 9pm. Patchy frost after 1am. Otherwise, mostly clear, with a low around 34.

Monday

Areas of frost before 9am. Otherwise, sunny, with a high near 56.

Monday Night

Patchy fog. Patchy frost. Otherwise, mostly clear, with a low around 36.