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.

Overcast

54°F

12°C

Humidity	100%
Wind Speed	NNW 3 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	09 Apr 07:20 AM PDT

More Information:

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

Extended Forecast for

6 Miles SE Lake Berryessa CA

Today
High: 72 °F
Areas Fog
then Chance
Showers
Tonight
Low: 50 °F
Chance Rain
and Patchy
Fog
Friday
High: 64 °F
Showers and
Areas Fog
Friday Night
Low: 50 °F
Showers
Saturday
High: 58 °F
Showers
Saturday Night
Low: 43 °F
Showers
Sunday
High: 58 °F
Showers
Likely
Sunday Night
Low: 40 °F
Chance Rain
then Partly
Cloudy
Monday
High: 64 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Tonight

A chance of rain and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm. Areas of fog before 11am. High near 64. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 50. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Rain likely, then showers and possibly a thunderstorm after 11am. High near 58. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am. Low around 43. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 40.

Monday

Mostly sunny, with a high near 64.

Monday Night

Mostly clear, with a low around 42.

Tuesday

Sunny, with a high near 70.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Mostly sunny, with a high near 73.