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

50°F

10°C

Humidity 93%
Wind Speed NNW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 23 Jan 11:00 AM PST
Extended Forecast for

2 Miles SE Lake Berryessa CA

  • Today

    Today: Patchy fog before noon.  Otherwise, sunny, with a high near 61. Light south southeast wind.

    High: 61 °F

    Patchy Fog

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 7 to 17 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. North wind 16 to 21 mph, with gusts as high as 26 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. North northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. East southeast wind 3 to 6 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °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 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, sunny, with a high near 61. Light south southeast wind.
Tonight
Mostly clear, with a low around 47. Northwest wind 7 to 17 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 58. North wind 16 to 21 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 42. North northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, with a high near 54. East southeast wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lake Berryessa CA
 38.55°N 122.21°W (Elev. 440 ft)
11:01 am PST Jan 23, 2026
11am 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