Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity 93%
Wind Speed W 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Jul 03:15 AM PDT
Extended Forecast for

10 Miles E Yountville CA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Light west southwest wind.

    Low: 55 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Southwest wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 76. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. West southwest wind 5 to 8 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Light west southwest wind.
Independence Day
Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. Southwest wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 76. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 53. West southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Yountville CA
 38.42°N 122.17°W (Elev. 1624 ft)
1:26 am PDT Jul 4, 2026
3am PDT Jul 4, 2026-6pm PDT Jul 10, 2026
 
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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