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 the High Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

54°F

12°C

Humidity	76%
Wind Speed	WNW 9 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	21 Apr 08:20 PM PDT

More Information:

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

Extended Forecast for

6 Miles SE Lake Berryessa CA

Tonight
Low: 43 °F
Partly Cloudy
then Chance
Showers and
Patchy Fog
Wednesday
High: 62 °F
Chance Rain
and Areas Fog
Wednesday Night
Low: 43 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 73 °F
Patchy Fog
then Sunny
Thursday Night
Low: 46 °F
Mostly Clear
Friday
High: 70 °F
Partly Sunny
Friday Night
Low: 47 °F
Partly Cloudy
Saturday
High: 63 °F
Partly Sunny
Saturday Night
Low: 45 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of rain between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of rain and thunderstorms before 2pm, then a slight chance of rain between 2pm and 4pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 62. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Patchy fog after 3am. Otherwise, mostly clear, with a low around 43. Calm wind.

Thursday

Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind.

Thursday Night

Mostly clear, with a low around 46. Light west wind.

Friday

Partly sunny, with a high near 70.

Friday Night

Partly cloudy, with a low around 47.

Saturday

Partly sunny, with a high near 63.