Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until November 13, 04:00 PM PST

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

58°F

14°C

Humidity	95%
Wind Speed	SSE 0 MPH
Barometer	29.78 in (1008.47 mb)
Dewpoint	57°F (14°C)
Visibility	NA
Last update	12 Nov 10:41 PM PST

More Information:

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

Extended Forecast for

8 Miles SSW Saint Helena CA

Coastal Flood Advisory November 12, 10:48pm until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 12, 10:48pm until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Tonight
Low: 51 °F
Mostly Cloudy
then Chance
Rain
Friday
High: 58 °F⇓
Rain
Friday Night
Low: 45 °F
Chance Rain
Saturday
High: 62 °F
Patchy Fog
then Slight
Chance Rain
Saturday Night
Low: 48 °F
Mostly Cloudy
then Chance
Rain
Sunday
High: 58 °F
Rain
Sunday Night
Low: 45 °F
Rain Likely
then Slight
Chance Rain
Monday
High: 58 °F
Mostly Sunny

Detailed Forecast

Tonight

A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 51. South southeast wind around 7 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain and possibly a thunderstorm before 4pm, then rain likely between 4pm and 5pm. Temperature falling to around 53 by 5pm. South wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A 40 percent chance of rain, mainly between 11pm and 2am. Mostly cloudy, with a low around 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A slight chance of rain between 1pm and 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night

A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain, mainly after 10am. High near 58. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

Monday

Mostly sunny, with a high near 58.

Monday Night

Mostly clear, with a low around 40.

Tuesday

Mostly sunny, with a high near 58.

Tuesday Night

Rain. Mostly cloudy, with a low around 45.

Wednesday

Rain. Mostly cloudy, with a high near 56.