Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. 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

73°F

23°C

Humidity	46%
Wind Speed	S 4 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	10 Nov 04:05 PM PST

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

Coastal Flood Advisory November 10, 04:25pm until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 10, 04:25pm until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Tonight
Low: 46 °F
Patchy Fog
Veterans Day
High: 75 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 45 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 71 °F
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 48 °F
Chance Rain
and Patchy
Fog
Friday
High: 60 °F
Rain and
Patchy Fog
Friday Night
Low: 44 °F
Rain Likely
then Chance
Rain and
Areas Fog
Saturday
High: 61 °F
Slight Chance
Rain and
Areas Fog

Detailed Forecast

Tonight

Patchy fog after 10pm. Otherwise, mostly clear, with a low around 46. Calm wind.

Veterans Day

Patchy fog before 9am. Otherwise, sunny, with a high near 75. Calm wind becoming south southeast around 5 mph.

Wednesday Night

Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45. Calm wind.

Thursday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

Thursday Night

A 30 percent chance of rain, mainly after 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 48. Calm wind.

Friday

Rain, mainly after 10am. Patchy fog before 7am. High near 60. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 44. Chance of precipitation is 70%.

Saturday

A slight chance of rain before 4pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 61.

Saturday Night

Rain likely, mainly after 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 44.

Sunday

Rain. Cloudy, with a high near 57.

Sunday Night

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 41.

Monday

A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 58.