Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

60°F

16°C

Humidity 61%
Wind Speed S 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 May 10:54 PM PDT
Extended Forecast for

9 Miles ENE Yountville CA

  • Tonight

    Tonight: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. West southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 54. West southwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Yountville CA
 38.44°N 122.21°W (Elev. 797 ft)
2:42 pm PDT May 19, 2026
11pm PDT May 19, 2026-6pm PDT May 26, 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