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.

Mist

45°F

7°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 03 Dec 12:20 AM PST
Extended Forecast for

Sonoma CA

Coastal Flood Advisory December 3, 12:33am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 12:33am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. North northeast wind 6 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 5am.  Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 7am.  Otherwise, mostly sunny, with a high near 61. Light east northeast wind.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. Light and variable wind.
Wednesday
Mostly sunny, with a high near 63. North northeast wind 6 to 8 mph.
Wednesday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 37. Calm wind.
Thursday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 61. Light east northeast wind.
Thursday Night
Mostly clear, with a low around 40. Calm wind.
Friday
Sunny, with a high near 64.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 42.
Saturday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 64.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
12:26 am PST Dec 3, 2025
12am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database