Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. 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 93%
Wind Speed SSW 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Sep 12:35 AM PDT
Extended Forecast for

4 Miles WSW Yountville CA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Calm wind becoming west around 6 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

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

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 86. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 61. Calm wind becoming west around 6 mph after midnight.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Yountville CA
 38.38°N 122.42°W (Elev. 1030 ft)
11:27 pm PDT Sep 22, 2026
12am PDT Sep 23, 2026-6pm PDT Sep 29, 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