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

55°F

13°C

Humidity	96%
Wind Speed	N 0 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	10 Apr 11:54 PM PDT

More Information:

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

Extended Forecast for

3 Miles SSE Napa Co. Airport CA

Overnight
Low: 55 °F
Slight Chance
Rain
Saturday
High: 61 °F
Rain Likely
then Showers
and Breezy
Saturday Night
Low: 47 °F
Showers
Sunday
High: 58 °F
Showers
Sunday Night
Low: 44 °F
Chance Rain
then Partly
Cloudy
Monday
High: 63 °F
Mostly Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of rain between 4am and 5am. Mostly cloudy, with a steady temperature around 55. South southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain likely, then showers and possibly a thunderstorm after 2pm. High near 61. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Low around 47. South southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and possibly a thunderstorm. High near 58. Southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. West southwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 63.

Monday Night

Mostly clear, with a low around 43.

Tuesday

Sunny, with a high near 66.

Tuesday Night

Mostly clear, with a low around 43.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Partly cloudy, with a low around 45.