Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

77°F

25°C

Humidity 53%
Wind Speed SSW 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 03:54 PM PDT
Extended Forecast for

6 Miles SSE Lake Berryessa CA

Heat Advisory August 22, 04:04pm until August 23, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 04:04pm until August 23, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Tonight

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Areas of smoke before 10am. Sunny and hot, with a high near 97. Light west northwest wind becoming southwest 5 to 9 mph in the afternoon.

    High: 97 °F

    Areas Smoke
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. West wind around 9 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. West wind 5 to 9 mph becoming light west southwest.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. West southwest wind around 9 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. West wind 7 to 9 mph.
Saturday
Areas of smoke before 10am. Sunny and hot, with a high near 97. Light west northwest wind becoming southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. West wind around 9 mph.
Sunday
Sunny and hot, with a high near 96. West wind 5 to 9 mph becoming light west southwest.
Sunday Night
Mostly clear, with a low around 62. West southwest wind around 9 mph.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
1:26 pm PDT Aug 22, 2025
4pm PDT Aug 22, 2025-6pm PDT Aug 29, 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