Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase 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.

Mist

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 29 Jan 06:20 AM PST
Extended Forecast for

4 Miles NW Yountville CA

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

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog between 11pm and 3am.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Today
Mostly sunny, with a high near 66. Calm wind.
Tonight
Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Friday
Partly sunny, with a high near 66. Calm wind.
Friday Night
Mostly cloudy, with a low around 44. Calm wind.
Saturday
Partly sunny, with a high near 66. Calm wind.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Mostly cloudy, with a high near 64.
Sunday Night
Patchy fog between 11pm and 3am. Otherwise, partly cloudy, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 68.
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)
12:26 am PST Jan 29, 2026
6am 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