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.

light rain,mist

55°F

13°C

Humidity	93%
Wind Speed	W 10 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	54°F (12°C)
Visibility	6.00 mi
Last update	11 Apr 05:00 AM PDT

More Information:

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

Extended Forecast for

8 Miles WNW Vacaville CA

Today
High: 54 °F
Showers
Tonight
Low: 46 °F
Showers
Sunday
High: 49 °F
Showers
Sunday Night
Low: 44 °F
Chance Rain
then Partly
Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 63 °F
Mostly Sunny

Detailed Forecast

Today

Rain and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 54. South southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 1am, then showers likely and possibly a thunderstorm after 1am. Low around 46. South southwest wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm. Steady temperature around 49. Southwest wind around 15 mph, with gusts as high as 30 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 44. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 58. Light and variable wind becoming northwest around 5 mph in the morning.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Mostly sunny, with a high near 63.

Wednesday Night

Partly cloudy, with a low around 48.