Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk into the Weekend on the East Coast; Flash Flooding Possible in the Southeast

A dangerous, record heat wave continues for the Desert Southwest and the Central Valley of California through Saturday, and the Pacific Northwest through Tuesday. Coastal flooding is expected through tonight at high tide along the Eastern Seaboard from Erin, while the high rip current risk and dangerous surf continue through the weekend. Flash flooding possible today in Georgia and South Carolina. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed WNW 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 07:20 AM PDT
Extended Forecast for

4 Miles SW Yountville CA

Heat Advisory August 22, 07:39am until August 23, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 07:39am until August 23, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Today

    High: 91 °F

    Areas Smoke
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. West northwest wind 5 to 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West northwest wind 6 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Today
Areas of smoke between 8am and 10am. Sunny, with a high near 91. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. West northwest wind 5 to 11 mph.
Saturday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. West northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Yountville CA
 38.36°N 122.42°W (Elev. 1798 ft)
2:50 am PDT Aug 22, 2025
7am PDT Aug 22, 2025-6pm PDT Aug 28, 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