Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Partly Cloudy

64°F

18°C

Humidity	56%
Wind Speed	SW 13 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	21 Apr 01:54 PM PDT

More Information:

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

Extended Forecast for

Napa Co. Airport CA

This Afternoon
High: 60 °F
Showers
Tonight
Low: 43 °F
Showers
Likely
Wednesday
High: 63 °F
Chance
Showers
Wednesday Night
Low: 41 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 69 °F
Patchy Fog
then Sunny
Thursday Night
Low: 43 °F
Mostly Clear
then Patchy
Fog
Friday
High: 68 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 46 °F
Partly Cloudy
Saturday
High: 64 °F
Partly Sunny

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 60. Southwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, then showers likely after 3am. Mostly cloudy, with a low around 43. West southwest wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 40 percent chance of showers between 11am and 1pm. Mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. West southwest wind 5 to 9 mph becoming light west northwest after midnight.

Thursday

Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

Thursday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 43.

Friday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.

Friday Night

Partly cloudy, with a low around 46.

Saturday

Partly sunny, with a high near 64.