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	100%
Wind Speed	N 0 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	11 Apr 02:20 AM PDT

More Information:

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

Extended Forecast for

2 Miles N Napa Co. Airport CA

Overnight
Low: 54 °F
Slight Chance
Rain
Saturday
High: 60 °F
Showers
Likely then
Showers
Saturday Night
Low: 46 °F
Showers
Sunday
High: 58 °F
Showers
Sunday Night
Low: 42 °F
Chance Rain
then Patchy
Fog
Monday
High: 64 °F
Areas Fog
then Mostly
Sunny
Monday Night
Low: 41 °F
Mostly Clear
then Patchy
Fog
Tuesday
High: 66 °F
Areas Fog
then Sunny
Tuesday Night
Low: 41 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 54. South wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A chance of rain, then showers and possibly a thunderstorm after 11am. High near 60. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 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 46. South southwest wind 7 to 14 mph, with gusts as high as 24 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 9 to 11 mph, with gusts as high as 18 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. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light west in the evening. New precipitation amounts of less than a tenth of an inch possible.

Monday

Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64.

Monday Night

Patchy fog after 2am. Otherwise, mostly clear, with a low around 41.

Tuesday

Areas of fog before 9am. Otherwise, sunny, with a high near 66.

Tuesday Night

Mostly clear, with a low around 41.

Wednesday

Mostly sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 44.