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.

Mostly Cloudy

61°F

16°C

Humidity	72%
Wind Speed	S 11 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	11 Apr 02:20 PM PDT

More Information:

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

Extended Forecast for

7 Miles NE Yountville CA

This Afternoon
High: 52 °F
Heavy Rain
Tonight
Low: 44 °F
Heavy Rain
Sunday
High: 50 °F
Showers
Sunday Night
Low: 42 °F
Chance
Showers then
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 52. South wind around 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 slight chance of showers between 9pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 44. South southwest wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 50. West southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 42. West southwest wind 5 to 13 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 58. West wind around 6 mph.

Monday Night

Mostly clear, with a low around 45.

Tuesday

Sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Sunny, with a high near 62.

Wednesday Night

Partly cloudy, with a low around 48.