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 100%
Wind Speed E 14 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 43°F (6°C)
Visibility 3.50 mi
Wind Chill36°F (2°C)
Last update 07 Dec 12:35 AM PST
Extended Forecast for

2 Miles NNW Vallejo CA

Coastal Flood Advisory December 7, 12:46am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 12:46am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 43. East wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy fog before 2am. Otherwise, partly cloudy, with a low around 43. Calm wind becoming east around 5 mph.
Sunday
Partly sunny, with a high near 56. Calm wind.
Sunday Night
Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 43. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 59. Light and variable wind.
Monday Night
Patchy fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 60.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 61.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
Last Update:
12:26 am PST Dec 7, 2025
Forecast Valid:
12am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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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