Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Apr 07:00 AM PDT
Extended Forecast for

7 Miles S Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 71. North wind 5 to 13 mph, with gusts as high as 34 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 71. North wind 5 to 13 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 74. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 51. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 70. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
2:27 am PDT Apr 17, 2026
7am PDT Apr 17, 2026-6pm PDT Apr 23, 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