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.

heavy rain,mist

55°F

13°C

Humidity	89%
Wind Speed	S 13 MPH
Barometer	29.56 in (1001.02 mb)
Dewpoint	52°F (11°C)
Visibility	4.00 mi
Last update	24 Dec 06:53 PM PST

More Information:

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

Extended Forecast for

4 Miles NNW Forestville CA

Flood Watch December 24, 07:13pm until December 26, 10:00pm

High Wind Warning December 24, 08:00pm until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

High Wind Warning

Flood Watch December 24, 07:13pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 47 °F
Showers and
Breezy
Christmas Day
High: 50 °F
Showers
Thursday Night
Low: 46 °F
Showers
Friday
High: 49 °F
Showers
Friday Night
Low: 42 °F
Chance
Showers
Saturday
High: 49 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 37 °F
Clear then
Patchy Frost
Sunday
High: 51 °F
Patchy Frost
then Sunny

Detailed Forecast

Tonight

Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 47. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Christmas Day

Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 50. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 46. South southwest wind 14 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 49. South wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. East wind around 6 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

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

Saturday Night

Patchy frost after 4am. Otherwise, mostly clear, with a low around 37.

Sunday

Patchy frost before 8am. Otherwise, mostly sunny, with a high near 51.

Sunday Night

Patchy frost after 3am. Otherwise, mostly clear, with a low around 37.

Monday

Patchy frost before 8am. Otherwise, sunny, with a high near 53.

Monday Night

Mostly clear, with a low around 38.