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.

Clear

48°F

9°C

Humidity 93%
Wind Speed SW 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Jan 08:20 PM PST
Extended Forecast for

5 Miles SW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. North wind around 8 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North northeast wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • 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: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind.
Friday
Sunny, with a high near 60. North wind around 8 mph.
Friday Night
Mostly clear, with a low around 43. North wind 7 to 11 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 59. North northeast wind 16 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 39. North wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lake Berryessa CA
 38.54°N 122.32°W (Elev. 1070 ft)
3:01 pm PST Jan 22, 2026
8pm PST Jan 22, 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