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

47°F

8°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 01 Feb 08:54 AM PST
Extended Forecast for

Yountville CA

Coastal Flood Advisory February 1, 09:12am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 09:12am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. North wind around 9 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. North northeast wind around 5 mph becoming light and variable  in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 68. Light northeast wind.

    High: 68 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 66. Northwest wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 42. North wind around 9 mph.
Monday
Sunny, with a high near 68. North northeast wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 68. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
Friday Night
Widespread fog. Otherwise, partly cloudy, with a low around 44.
Saturday
Widespread fog. Otherwise, mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
6:39 am PST Feb 1, 2026
9am PST Feb 1, 2026-6pm PST Feb 7, 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