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

54°F

12°C

Humidity	81%
Wind Speed	S 9 MPH
Barometer	29.67 in (1004.74 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	25 Dec 06:35 AM PST

More Information:

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

Extended Forecast for

4 Miles E Santa Rosa CA

Flood Watch December 25, 06:58am until December 26, 10:00pm

Wind Advisory December 25, 06:58am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

...

Flood Watch December 25, 06:58am until December 26, 10:00pm
Wind Advisory December 25, 06:58am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 51 °F
Severe
Thunderstorms
Tonight
Low: 45 °F
Severe
Thunderstorms
then Rain
Likely
Friday
High: 52 °F
Rain
Friday Night
Low: 40 °F
Chance Rain
and Patchy
Fog
Saturday
High: 52 °F
Slight Chance
Rain and
Patchy Fog
then Sunny
Saturday Night
Low: 36 °F
Patchy Fog
then Patchy
Frost
Sunday
High: 53 °F
Areas Frost
then Mostly
Sunny
Sunday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost

Detailed Forecast

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 51. South wind 10 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 45. South wind 7 to 14 mph becoming west in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 52. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 40. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 52. Light north wind.

Saturday Night

Patchy fog before 11pm. Patchy frost after 2am. Otherwise, mostly clear, with a low around 36.

Sunday

Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53.

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 56.

Monday Night

Patchy fog after 5am. Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.