Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

49°F

9°C

Humidity 83%
Wind Speed W 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 02 Dec 09:54 AM PST
Extended Forecast for

3 Miles NNW Vallejo CA

Coastal Flood Advisory December 2, 10:06am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 2, 10:06am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind becoming northeast 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. South southeast wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57. East northeast wind 6 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 60. Light and variable wind.
Tonight
Partly cloudy, with a low around 42. Calm wind becoming northeast 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 62. North wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 39. South southeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 57. East northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 43.
Saturday
Patchy fog before 10am. Otherwise, sunny, with a high near 60.
Saturday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 60.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
8:29 am PST Dec 2, 2025
10am PST Dec 2, 2025-6pm PST Dec 8, 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