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

69°F

21°C

Humidity	65%
Wind Speed	W 13 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	08 Apr 05:54 PM PDT

More Information:

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

Extended Forecast for

4 Miles NNW Napa CA

Tonight
Low: 50 °F
Patchy Dense
Fog
Thursday
High: 72 °F
Areas Dense
Fog then
Slight Chance
T-storms
Thursday Night
Low: 50 °F
Chance
Showers and
Patchy Fog
Friday
High: 65 °F
Showers and
Areas Fog
Friday Night
Low: 49 °F
Showers
Likely and
Patchy Fog
Saturday
High: 61 °F
Showers and
Patchy Fog
Saturday Night
Low: 42 °F
Rain Likely
Sunday
High: 61 °F
Rain Likely
Sunday Night
Low: 39 °F
Chance Rain
then Patchy
Fog

Detailed Forecast

Tonight

Patchy dense fog after 11pm. Otherwise, increasing clouds, with a low around 50. West 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, partly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Thursday Night

A 40 percent chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. West southwest wind 5 to 7 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 and possibly a thunderstorm after 11am. Areas of fog before 11am. High near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. 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. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Southwest wind 5 to 7 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. Patchy fog before 8am. High near 61. 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. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 39.

Monday

Patchy fog before 7am. Otherwise, sunny, with a high near 68.

Monday Night

Mostly clear, with a low around 40.

Tuesday

Mostly sunny, with a high near 70.