Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	10 Apr 03:35 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: 50 °F
Chance
Showers and
Patchy Fog
Friday
High: 63 °F
Showers and
Areas Fog
Friday Night
Low: 50 °F
Showers
Likely then
Chance Rain
Saturday
High: 58 °F
Showers
Saturday Night
Low: 45 °F
Showers
Sunday
High: 56 °F
Showers
Sunday Night
Low: 42 °F
Chance Rain
then Patchy
Fog
Monday
High: 63 °F
Patchy Fog
then Mostly
Sunny
Monday Night
Low: 42 °F
Mostly Clear

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Areas of fog before 10am. High near 63. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 50. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth 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 increasing to 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

Rain and possibly a thunderstorm before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Low around 45. South southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 40 percent chance of rain before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 42.

Monday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63.

Monday Night

Mostly clear, with a low around 42.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Sunny, with a high near 71.