National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather in the Central U.S.; Critical Fire Weather in the Southern Plains

Severe thunderstorms are expected to form today from northern Oklahoma into southern Minnesota. Very large hail and tornadoes will be the initial threats this afternoon, then transition into a wind threat tonight. Gusty winds, warm temperatures, and very dry conditions will create a Critical Risk of fire weather across portions of the southern Plains today. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity 63%
Wind Speed SSW 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Apr 11:35 AM PDT
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. Light and variable wind.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 62. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Berryessa CA
 38.48°N 122.22°W (Elev. 1798 ft)
Last Update:
11:27 am PDT Apr 23, 2026
Forecast Valid:
11am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation