Severe Weather Threat Shifted to the Southern Plains and Mid-South; Critical Fire Weather in the Southern Plains

Multiple rounds of strong to severe thunderstorms may produce very large hail, swaths of damaging wind, a few tornadoes and heavy rain across parts of Texas into the lower Mississippi and Tennessee Valleys. Gusty winds and dry conditions will continue to promote elevated to critical fire weather conditions across the southern High Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

70°F

21°C

Humidity 46%
Wind Speed SSW 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Apr 03:00 PM PDT
Extended Forecast for

Lake Berryessa CA

  • Tonight

    Tonight: Clear, with a low around 49. Light west southwest wind.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light west wind.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 49. Light west southwest wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 52. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Light west wind.
Thursday Night
Clear, with a low around 54. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
A slight chance of rain. Mostly sunny, with a high near 67.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.57°N 122.24°W (Elev. 732 ft)
1:26 pm PDT Apr 28, 2026
3pm PDT Apr 28, 2026-6pm PDT May 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database