National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

43°F

6°C

Humidity 96%
Wind Speed E 11 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 07 Dec 12:54 AM PST
Extended Forecast for

3 Miles SSE Yountville CA

Coastal Flood Advisory December 7, 01:06am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 01:06am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 41 °F

    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 58 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of fog before 9pm, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Monday

    Monday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Areas of fog. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Sunday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Areas of fog before 9pm, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 62. Calm wind.
Monday Night
Areas of fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 63.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 46.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 67.
Thursday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog. Otherwise, sunny, with a high near 65.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Yountville CA
 38.35°N 122.33°W (Elev. 105 ft)
Last Update:
12:26 am PST Dec 7, 2025
Forecast Valid:
1am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation