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

46°F

8°C

Humidity 93%
Wind Speed E 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 3.00 mi
Wind Chill40°F (4°C)
Last update 02 Dec 09:30 PM PST
Extended Forecast for

6 Miles SSE Lake Berryessa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North wind 8 to 13 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. North wind around 5 mph becoming calm  in the evening.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 61. North wind 8 to 13 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 40. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 59. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 44.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 63.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Sunday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
2:32 pm PST Dec 2, 2025
9pm PST Dec 2, 2025-6pm PST Dec 9, 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