Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

48°F

9°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 23 Jan 06:20 AM PST
Extended Forecast for

3 Miles SSE Lake Berryessa CA

  • Today

    Today: Areas of fog before 11am.  Otherwise, sunny, with a high near 61. Calm wind becoming north around 6 mph in the afternoon.

    High: 61 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North wind around 20 mph, with gusts as high as 31 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. North northwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. Calm wind becoming east 5 to 7 mph in the morning.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, sunny, with a high near 61. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 45. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 59. North wind around 20 mph, with gusts as high as 31 mph.
Saturday Night
Increasing clouds, with a low around 39. North northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, with a high near 55. Calm wind becoming east 5 to 7 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lake Berryessa CA
 38.53°N 122.23°W (Elev. 991 ft)
12:26 am PST Jan 23, 2026
6am PST Jan 23, 2026-6pm PST Jan 29, 2026
 
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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