Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity	87%
Wind Speed	SSW 3 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	08 Apr 10:00 PM PDT

More Information:

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

Extended Forecast for

5 Miles SSE Sonoma CA

Tonight
Low: 51 °F
Partly Cloudy
then Patchy
Dense Fog
Thursday
High: 70 °F
Areas Dense
Fog then
Slight Chance
Showers
Thursday Night
Low: 51 °F
Chance
Showers and
Patchy Fog
Friday
High: 65 °F
Showers
Likely and
Areas Fog
Friday Night
Low: 49 °F
Showers
Likely
Saturday
High: 60 °F
Showers
Saturday Night
Low: 42 °F
Rain Likely
Sunday
High: 61 °F
Rain Likely
Sunday Night
Low: 39 °F
Chance Rain
then Mostly
Clear

Detailed Forecast

Tonight

Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.

Thursday

A slight chance of showers between 1pm and 3pm. Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 70. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

Thursday Night

A 40 percent chance of showers, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51. West 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 9 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

A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 49. Southwest wind 5 to 9 mph becoming light south southwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter 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

Rain likely, mainly after 11am. Partly sunny, with a high near 61.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 39.

Monday

Sunny, with a high near 67.

Monday Night

Mostly clear, with a low around 40.

Tuesday

Mostly sunny, with a high near 68.