Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

39°F

4°C

Humidity 93%
Wind Speed NNE 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Mar 06:20 AM PDT
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 74. North wind around 5 mph becoming light and variable  in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light and variable wind becoming northwest around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Northwest wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. North wind around 5 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 51. Light and variable wind becoming northwest around 5 mph.
Thursday
Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
2:53 am PDT Mar 11, 2026
6am PDT Mar 11, 2026-6pm PDT Mar 17, 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