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.

Partly Cloudy

46°F

8°C

Humidity	100%
Wind Speed	SSE 4 MPH
Barometer	29.75 in (1007.45 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	11 Apr 08:20 PM PDT

More Information:

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

Extended Forecast for

7 Miles WSW Napa Co. Airport CA

Tonight
Low: 48 °F
Showers
Likely
Sunday
High: 59 °F
Showers
Sunday Night
Low: 43 °F
Chance
Showers then
Partly Cloudy
Monday
High: 64 °F
Patchy Fog
then Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 67 °F
Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 48. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms, mainly before 1pm. High near 59. West southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 43. West southwest wind 6 to 11 mph becoming light west northwest in the evening. Winds could gust as high as 18 mph.

Monday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 43. West wind 5 to 9 mph.

Tuesday

Sunny, with a high near 66.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 46.