Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 31 Jan 05:00 AM PST
Extended Forecast for

Yountville CA

Coastal Flood Advisory January 31, 05:16am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 05:16am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy dense fog after 11pm.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North northeast wind around 6 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. North wind around 5 mph becoming calm  in the morning.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 66. Light and variable wind.
Tonight
Patchy dense fog after 11pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 65. Calm wind.
Sunday Night
Mostly clear, with a low around 42. North northeast wind around 6 mph.
Monday
Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
4:03 am PST Jan 31, 2026
5am PST Jan 31, 2026-6pm PST Feb 6, 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