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.

Clear

57°F

14°C

Humidity	87%
Wind Speed	NNE 3 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	12 Nov 08:35 PM PST

More Information:

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

Extended Forecast for

6 Miles NNE Yountville CA

Coastal Flood Advisory November 12, 08:46pm until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 12, 08:46pm until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Tonight
Low: 50 °F
Partly Cloudy
then Chance
Rain
Friday
High: 57 °F
Rain
Friday Night
Low: 43 °F
Chance Rain
and Patchy
Fog
Saturday
High: 61 °F
Areas Fog
then Slight
Chance Rain
Saturday Night
Low: 46 °F
Mostly Cloudy
then Chance
Rain
Sunday
High: 57 °F
Rain
Sunday Night
Low: 42 °F
Rain Likely
then Chance
Rain
Monday
High: 58 °F
Slight Chance
Rain

Detailed Forecast

Tonight

A 30 percent chance of rain, mainly between 1am and 5am. Mostly cloudy, with a low around 50. South wind 8 to 11 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain and possibly a thunderstorm before 4pm, then a chance of rain between 4pm and 5pm. High near 57. South southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 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 1am, then a slight chance of rain after 5am. Patchy fog after 11pm. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 43. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A slight chance of rain between 1pm and 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 61. Calm wind becoming south southwest around 6 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 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain, mainly after 10am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

Monday

A slight chance of rain. Mostly sunny, with a high near 58.

Monday Night

Mostly clear, with a low around 38.

Tuesday

Mostly sunny, with a high near 57.

Tuesday Night

Rain. Mostly cloudy, with a low around 42.