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

54°F

12°C

Humidity	81%
Wind Speed	SSW 11 MPH
Barometer	29.84 in (1010.5 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Apr 09:20 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: 50 °F
Showers
Tonight
Low: 42 °F
Chance
Showers then
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 62 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy
Thursday
High: 61 °F
Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 50. South southwest wind 14 to 16 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

A 30 percent chance of showers, mainly between 8pm and 11pm. Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light west. Winds could gust as high as 21 mph.

Monday

Mostly sunny, with a high near 58. North northwest wind around 7 mph.

Monday Night

Mostly clear, with a low around 44. West wind around 7 mph.

Tuesday

Sunny, with a high near 61. Southwest wind 3 to 8 mph.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Mostly sunny, with a high near 62.

Wednesday Night

Partly cloudy, with a low around 48.