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.

Partly Cloudy

61°F

16°C

Humidity	59%
Wind Speed	SSE 4 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	24 Dec 01:20 PM PST

More Information:

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

Extended Forecast for

3 Miles E Santa Rosa CA

Flood Watch December 24, 01:31pm 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, 01:31pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
This Afternoon
High: 56 °F
Severe
Thunderstorms
Tonight
Low: 47 °F
Breezy.
Severe
Thunderstorms
then Showers
Christmas Day
High: 51 °F
Severe
Thunderstorms
Thursday Night
Low: 46 °F
Showers
Friday
High: 52 °F
Showers
Friday Night
Low: 40 °F
Chance
Showers and
Patchy Fog
Saturday
High: 52 °F
Patchy Fog
then Sunny
Saturday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost

Detailed Forecast

This Afternoon

A chance of showers, with thunderstorms also possible after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 56. Southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 47. Breezy, with a south southeast wind 21 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 51. South southwest wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers. Low around 46. South wind 10 to 16 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers, with thunderstorms also possible 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. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 40. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 52.

Saturday Night

Patchy frost after 2am. Otherwise, mostly clear, with a low around 35.

Sunday

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

Monday Night

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