Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading 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

51°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 17 May 01:54 AM PDT
Extended Forecast for

4 Miles NW Yountville CA

Coastal Flood Advisory until May 19, 03:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until May 19, 03:00am

    NOW until 3:00am Tue

    Coastal Flood Advisory

  • Overnight

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. North wind 7 to 17 mph, with gusts as high as 31 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. North northwest wind 10 to 18 mph, with gusts as high as 34 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. North wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55. North wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 51. West northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 78. North wind 7 to 17 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 58. North northwest wind 10 to 18 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 87. North wind 9 to 15 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 55. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
1:34 am PDT May 17, 2026
2am PDT May 17, 2026-6pm PDT May 23, 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