Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 67%
Wind Speed SW 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Jan 01:00 PM PST
Extended Forecast for

Yountville CA

Coastal Flood Advisory January 29, 01:27pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 29, 01:27pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 64. Light east northeast wind.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Calm wind.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 42. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Light east northeast wind.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Mostly cloudy, with a high near 64.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
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)
12:27 pm PST Jan 29, 2026
1pm PST Jan 29, 2026-6pm PST Feb 4, 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