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

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Partly Cloudy

54°F

12°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.71 in (1006.1 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	12 Nov 10:20 PM PST

More Information:

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

Extended Forecast for

4 Miles WNW Napa CA

Coastal Flood Advisory November 12, 10:32pm until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 12, 10:32pm until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Tonight
Low: 49 °F
Partly Cloudy
then Slight
Chance Rain
Friday
High: 58 °F
Rain
Friday Night
Low: 42 °F
Chance Rain
and Patchy
Fog
Saturday
High: 62 °F
Areas Fog
then Partly
Sunny
Saturday Night
Low: 45 °F
Mostly Cloudy
then Chance
Rain and
Patchy Fog
Sunday
High: 58 °F
Rain and
Patchy Fog
Sunday Night
Low: 41 °F
Rain Likely
and Patchy
Fog then
Chance Rain
and Patchy
Fog
Monday
High: 59 °F
Slight Chance
Rain and
Patchy Fog
then Mostly
Sunny

Detailed Forecast

Tonight

A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 49. South wind 8 to 10 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain and possibly a thunderstorm before 2pm, then a chance of rain. High near 58. South wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A chance of rain before 2am, then a slight chance of rain after 5am. Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.

Saturday Night

A 30 percent chance of rain after 4am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain, mainly after 10am. Patchy fog before 7am. High near 58. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain likely, mainly before 10pm. Patchy fog before 8pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 70%.

Monday

A slight chance of rain before 10am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 59.

Monday Night

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 36.

Tuesday

Patchy fog before 9am. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 58.

Tuesday Night

Rain. Mostly cloudy, with a low around 42.

Wednesday

Rain. Mostly cloudy, with a high near 56.

Wednesday Night

A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 40.