Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

79°F

26°C

Humidity 44%
Wind Speed S 14 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jun 05:05 PM PDT
Extended Forecast for

Yountville CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. South southeast wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. West northwest wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. West wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. West northwest wind 7 to 16 mph, with gusts as high as 30 mph.

    Low: 46 °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

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Juneteenth
Sunny, with a high near 82. South southeast wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 47. West northwest wind 6 to 11 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 76. West wind 6 to 15 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 46. West northwest wind 7 to 16 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 85.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Wednesday
Patchy fog. Otherwise, sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.39°N 122.37°W (Elev. 558 ft)
2:30 pm PDT Jun 18, 2025
5pm PDT Jun 18, 2025-6pm PDT Jun 25, 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