Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until June 18, 05:00 AM PDT

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity	82%
Wind Speed	W 13 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	16 Jun 09:20 PM PDT

More Information:

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

Extended Forecast for

5 Miles ESE Sonoma CA

Coastal Flood Advisory June 16, 09:39pm until June 18, 05:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory June 16, 09:39pm until June 18, 05:00am
NOW until 5:00am Thu
Coastal Flood Advisory
Tonight
Low: 53 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 74 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 53 °F
Increasing
Clouds
Thursday
High: 72 °F
Patchy Fog
then Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
Juneteenth
High: 70 °F
Mostly Sunny
Friday Night
Low: 52 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 74 °F
Patchy Fog
then Sunny

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 9 mph becoming light west after midnight.

Wednesday

Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming south southwest 5 to 9 mph in the morning.

Wednesday Night

Increasing clouds, with a low around 53. West southwest wind 5 to 9 mph.

Thursday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Thursday Night

Partly cloudy, with a low around 53. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

Juneteenth

Mostly sunny, with a high near 70.

Friday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 52.

Saturday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74.

Saturday Night

Areas of fog after 2am. Otherwise, mostly clear, with a low around 50.

Sunday

Areas of fog before 9am. Otherwise, sunny, with a high near 77.