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

64°F

18°C

Humidity	67%
Wind Speed	SSW 14 MPH
Barometer	29.83 in (1010.16 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	10 Apr 05:20 PM PDT

More Information:

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

Extended Forecast for

4 Miles N Sonoma CA

This Afternoon
High: 56 °F
Showers
Likely
Tonight
Low: 50 °F
Rain Likely
then Chance
Rain
Saturday
High: 53 °F
Rain Likely
then Showers
Saturday Night
Low: 48 °F
Showers
Sunday
High: 51 °F
Showers
Sunday Night
Low: 48 °F
Chance Rain
then Partly
Cloudy
Monday
High: 57 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 60 °F
Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 56. South southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain and thunderstorms likely before 10pm, then a chance of rain. Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 53. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm before 8pm, then rain between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 48. South wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 51. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 57.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 60.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Sunny, with a high near 61.