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

Flood Watch until December 26, 10:00 PM PST

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Rain

48°F

9°C

Humidity	93%
Wind Speed	SE 9 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	25 Dec 11:55 PM PST

More Information:

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

Extended Forecast for

Venado CA

Flood Watch December 26, 12:19am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 12:19am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Overnight
Low: 47 °F
Severe
Thunderstorms
Friday
High: 50 °F
Showers
Friday Night
Low: 44 °F
Showers
Likely then
Slight Chance
Showers
Saturday
High: 52 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 54 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 57 °F
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 47. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers, with thunderstorms also possible after 4pm. High near 50. South southeast wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. North northwest wind around 5 mph. Chance of precipitation is 60%. 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. Sunny, with a high near 52. North northwest wind 3 to 5 mph.

Saturday Night

Mostly clear, with a low around 41. Calm wind.

Sunday

Mostly sunny, with a high near 54.

Sunday Night

Mostly clear, with a low around 42.

Monday

Sunny, with a high near 57.

Monday Night

Mostly clear, with a low around 43.