Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 87%
Wind Speed ESE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 May 05:20 AM PDT
Extended Forecast for

Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.57°N 122.24°W (Elev. 732 ft)
1:26 am PDT May 20, 2026
5am PDT May 20, 2026-6pm PDT May 26, 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