Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 54%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Jun 08:35 AM PDT
Extended Forecast for

6 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 80. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. North northwest wind 9 to 11 mph, with gusts as high as 28 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 83. North northwest wind 6 to 11 mph becoming light west northwest  in the afternoon. Winds could gust as high as 23 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. West northwest wind 5 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. West wind 5 to 7 mph becoming north northwest in the morning.

    High: 89 °F

    Sunny

  • Monday Night

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

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. North wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 56. North northwest wind 9 to 11 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 83. North northwest wind 6 to 11 mph becoming light west northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 56. West northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 89. West wind 5 to 7 mph becoming north northwest in the morning.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
5:55 am PDT Jun 21, 2025
8am PDT Jun 21, 2025-6pm PDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database