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

51°F

11°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 23 Jan 02:54 PM PST
Extended Forecast for

2 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 45. North wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Breezy, with a north wind 20 to 23 mph, with gusts as high as 31 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 52. North northeast wind 6 to 8 mph becoming east in the morning.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. East wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °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 57.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 45. North wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.
Saturday
Sunny, with a high near 56. Breezy, with a north wind 20 to 23 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 41. North wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, with a high near 52. North northeast wind 6 to 8 mph becoming east in the morning.
Sunday Night
Mostly cloudy, with a low around 42. East wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 56.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
12:26 pm PST Jan 23, 2026
3pm PST Jan 23, 2026-6pm PST Jan 30, 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