Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 04 Nov 04:55 AM PST
Extended Forecast for

Napa Co. Airport CA

Coastal Flood Advisory November 4, 06:00am until November 9, 01:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • Today

    Today: Patchy fog before 7am.  Otherwise, sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the morning.
Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. Calm wind.
Friday
Sunny, with a high near 71. Light and variable wind.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 73.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 45.
Sunday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46.
Monday
Areas of fog. Otherwise, partly sunny, with a high near 70.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Areas of fog. Otherwise, sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
1:21 am PST Nov 4, 2026
5am PST Nov 4, 2026-6pm PST Nov 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database