Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. 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. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity 48%
Wind Speed WSW 13 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 09:35 AM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 78. Light northwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. North northwest wind 5 to 8 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Northwest wind around 6 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. North northwest wind around 7 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light northwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Clear, with a low around 50. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 80. North northwest wind 5 to 8 mph.
Saturday Night
Clear, with a low around 57. Northwest wind around 6 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 84. North northwest wind around 7 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 87.
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.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
2:15 am PDT Jun 20, 2025
10am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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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