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.

Overcast

53°F

12°C

Humidity	92%
Wind Speed	SSE 13 MPH
Barometer	29.56 in (1001.02 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	25 Dec 02:53 AM PST

More Information:

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

Extended Forecast for

3 Miles SSW Windsor CA

Flood Watch December 25, 03:06am until December 26, 10:00pm

Wind Advisory December 25, 03:06am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 03:06am until December 26, 10:00pm
Wind Advisory December 25, 03:06am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 51 °F
Severe
Thunderstorms
Christmas Day
High: 51 °F
Severe
Thunderstorms
Thursday Night
Low: 48 °F
Severe
Thunderstorms
Friday
High: 52 °F
Rain
Friday Night
Low: 40 °F
Chance Rain
Saturday
High: 53 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 34 °F
Mostly Clear
then Patchy
Frost
Sunday
High: 54 °F
Areas Frost
then Mostly
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 51. South wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. 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 51. South wind 14 to 20 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.

Thursday Night

Showers and possibly a thunderstorm before 1am, then rain after 1am. Some of the storms could be severe. Steady temperature around 48. South southeast wind 10 to 18 mph becoming west southwest in the evening. Winds could gust as high as 32 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 52. South wind around 9 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. Mostly cloudy, with a low around 40. North northwest wind around 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 frost after 2am. Otherwise, partly cloudy, with a low around 34.

Sunday

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

Sunday Night

Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.

Monday

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

Monday Night

Patchy fog. Patchy frost. Otherwise, mostly clear, with a low around 34.