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

75°F

24°C

Humidity	53%
Wind Speed	SSW 14 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	16 Jun 02:35 PM PDT

More Information:

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

Extended Forecast for

Napa CA

Coastal Flood Advisory June 16, 02:50pm until June 18, 05:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory June 16, 02:50pm until June 18, 05:00am
NOW until 5:00am Thu
Coastal Flood Advisory
This Afternoon
High: 80 °F
Sunny
Tonight
Low: 54 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 76 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 74 °F
Patchy Fog
then Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Juneteenth
High: 73 °F
Mostly Sunny
Friday Night
Low: 52 °F
Mostly Clear
then Patchy
Fog

Detailed Forecast

This Afternoon

Sunny, with a high near 80. South southwest wind around 9 mph.

Tonight

Patchy fog after 1am. Otherwise, increasing clouds, with a low around 54. Southwest wind 5 to 8 mph becoming calm after midnight.

Wednesday

Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming south southwest 5 to 9 mph in the morning.

Wednesday Night

Patchy fog after 1am. Otherwise, increasing clouds, with a low around 54. South southwest wind 5 to 9 mph becoming light west southwest after midnight.

Thursday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

Partly cloudy, with a low around 54.

Juneteenth

Mostly sunny, with a high near 73.

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 76.

Saturday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 51.

Sunday

Areas of fog. Otherwise, sunny, with a high near 80.