Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

66°F

19°C

Humidity 77%
Wind Speed SSW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Aug 07:35 PM PDT
Extended Forecast for

4 Miles ENE Yountville CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Calm wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Yountville CA
 38.43°N 122.29°W (Elev. 1526 ft)
1:27 pm PDT Aug 16, 2026
7pm PDT Aug 16, 2026-6pm PDT Aug 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database