Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

68°F

20°C

Humidity 42%
Wind Speed SW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 May 10:30 AM PDT
Extended Forecast for

Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 78. North northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northwest wind 13 to 17 mph, with gusts as high as 31 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Breezy, with a north wind 17 to 24 mph, with gusts as high as 37 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 60. North wind 16 to 21 mph, with gusts as high as 36 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. North wind 9 to 18 mph, with gusts as high as 34 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. North northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 56. Northwest wind 13 to 17 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 74. Breezy, with a north wind 17 to 24 mph, with gusts as high as 37 mph.
Sunday Night
Clear, with a low around 60. North wind 16 to 21 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 82. North wind 9 to 18 mph, with gusts as high as 34 mph.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
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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 16, 2026
10am PDT May 16, 2026-6pm PDT May 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database