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

46°F

8°C

Humidity 81%
Wind Speed WSW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Jun 04:05 AM PDT
Extended Forecast for

9 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 80. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. North northwest wind 6 to 10 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. North northwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 55. North northwest wind 6 to 10 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 84. North northwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 56. Southwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Lake Berryessa CA
 38.47°N 122.16°W (Elev. 807 ft)
4:03 am PDT Jun 21, 2025
4am PDT Jun 21, 2025-6pm PDT Jun 27, 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