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 >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 87%
Wind Speed W 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 10:00 PM PDT
Extended Forecast for

2 Miles S Napa CA

Coastal Flood Advisory June 16, 10:25pm until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 16, 10:25pm until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Tonight

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 53. South southwest wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 74. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 53. South southwest wind 5 to 9 mph becoming light west southwest after midnight.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. 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 54. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 72.
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 11pm. Otherwise, mostly clear, with a low around 51.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 79.
Sunday Night
Areas of fog. Otherwise, mostly clear, with a low around 51.
Monday
Patchy fog. Otherwise, sunny, with a high near 79.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Napa CA
 38.27°N 122.31°W (Elev. 98 ft)
1:39 pm PDT Jun 16, 2026
10pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026
 
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Additional Resources

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