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.

Fog

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 43°F (6°C)
Visibility 0.25 mi
Last update 22 Jan 11:20 PM PST
Extended Forecast for

2 Miles SE Lake Berryessa CA

  • Tonight

    Tonight: Patchy fog between 4am and 5am.  Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 60. Northwest wind 3 to 6 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North wind around 16 mph, with gusts as high as 26 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. North northwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 60. Northwest wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 48. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 59. North wind around 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 42. North northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
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 47.
Thursday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lake Berryessa CA
 38.55°N 122.21°W (Elev. 440 ft)
3:01 pm PST Jan 22, 2026
11pm 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