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

52°F

11°C

Humidity	100%
Wind Speed	SSW 8 MPH
Barometer	29.98 in (1015.24 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	09 Apr 12:54 AM PDT

More Information:

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

Extended Forecast for

3 Miles SSE Lake Berryessa CA

Overnight
Low: 51 °F
Patchy Fog
Thursday
High: 70 °F
Areas Fog
then Chance
Showers
Thursday Night
Low: 50 °F
Chance Rain
and Patchy
Fog
Friday
High: 64 °F
Showers and
Areas Fog
Friday Night
Low: 50 °F
Showers
Saturday
High: 56 °F
Showers
Saturday Night
Low: 44 °F
Showers
Sunday
High: 57 °F
Showers
Likely
Sunday Night
Low: 41 °F
Chance Rain
then Partly
Cloudy

Detailed Forecast

Overnight

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51. Calm wind.

Thursday

A 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 70. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Thursday Night

A chance of rain and thunderstorms. Patchy fog after 3am. 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 8 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 before 11am, then showers and possibly a thunderstorm after 11am. High near 56. 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 44. Chance of precipitation is 90%.

Sunday

Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 57.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 41.

Monday

Mostly sunny, with a high near 63.

Monday Night

Mostly clear, with a low around 42.

Tuesday

Sunny, with a high near 69.