High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 87%
Wind Speed E 6 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill42°F (6°C)
Last update 25 Jan 10:30 PM PST
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. East wind around 6 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 46. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 10am.  Mostly sunny, with a high near 59.

    High: 59 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East wind around 6 mph.
Monday
Sunny, with a high near 57. East wind around 6 mph.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 56. Light and variable wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain before 10am. Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A slight chance of rain. Partly sunny, with a high near 62.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
12:26 pm PST Jan 25, 2026
10pm PST Jan 25, 2026-6pm PST Feb 1, 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