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

54°F

12°C

Humidity	93%
Wind Speed	SSW 5 MPH
Barometer	29.57 in (1001.36 mb)
Dewpoint	52°F (11°C)
Visibility	8.00 mi
Last update	24 Dec 06:35 PM PST

More Information:

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

Extended Forecast for

2 Miles SSE Healdsburg CA

Flood Watch December 24, 06:51pm until December 26, 10:00pm

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

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 06:51pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 48 °F
Showers and
Windy
Christmas Day
High: 51 °F
Showers
Thursday Night
Low: 46 °F
Showers
Friday
High: 52 °F
Showers
Friday Night
Low: 40 °F
Chance
Showers
Saturday
High: 53 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost and
Patchy Fog
Sunday
High: 54 °F
Areas Frost
and Patchy
Fog then
Sunny

Detailed Forecast

Tonight

Showers, with thunderstorms also possible after 10pm. Low around 48. Windy, with a south southeast wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust 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 51. South wind 13 to 20 mph, with gusts as high as 30 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 wind 9 to 16 mph, with gusts as high as 39 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 52. South wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. East southeast wind around 5 mph becoming calm in the evening. 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 53.

Saturday Night

Patchy fog after 4am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.

Sunday

Patchy fog before 8am. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 54.

Sunday Night

Patchy frost after 1am. Otherwise, mostly clear, with a low around 35.

Monday

Areas of frost before 9am. Otherwise, sunny, with a high near 57.

Monday Night

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