Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. 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	29.86 in (1011.18 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	11 Apr 12:05 AM PDT

More Information:

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

Extended Forecast for

7 Miles S Lake Berryessa CA

Overnight
Low: 50 °F
Chance Rain
Saturday
High: 56 °F
Showers
Likely then
Showers
Saturday Night
Low: 45 °F
Showers
Sunday
High: 55 °F
Showers
Sunday Night
Low: 42 °F
Chance Rain
then Mostly
Clear
Monday
High: 62 °F
Mostly Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Overnight

A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 50. South southwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A chance of rain, then showers and possibly a thunderstorm after 11am. High near 56. South southwest wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Rain and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 45. South southwest wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday

Showers and possibly a thunderstorm. High near 55. South southwest wind around 11 mph, with gusts as high as 23 mph. 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. Partly cloudy, with a low around 42. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 62.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 66.

Tuesday Night

Mostly clear, with a low around 43.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Partly cloudy, with a low around 45.