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

50°F

10°C

Humidity	87%
Wind Speed	SSW 8 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	47°F (8°C)
Last update	12 Apr 06:35 AM PDT

More Information:

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

Extended Forecast for

5 Miles NE Yountville CA

Today
High: 55 °F
Showers
Tonight
Low: 42 °F
Slight Chance
Showers then
Mostly Clear
Monday
High: 61 °F
Mostly Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 64 °F
Mostly Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 65 °F
Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 55. Southwest wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 20 percent chance of showers before 7pm. Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

Monday

Mostly sunny, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 43. West wind 5 to 7 mph.

Tuesday

Sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Mostly sunny, with a high near 64.

Wednesday Night

Partly cloudy, with a low around 47.