Heavy Rainfall in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

76°F

24°C

Humidity 58%
Wind Speed W 13 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 08 Apr 03:54 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Patchy dense fog after 1am.  Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm.  Areas of dense fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 71 °F

    Areas Dense
    Fog then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 11am.  Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 50. Southwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 60. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain.  Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy dense fog after 1am. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers, mainly after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 60. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A chance of rain before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 39.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
2:11 pm PDT Apr 8, 2026
4pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database