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

48°F

9°C

Humidity 81%
Wind Speed E 13 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Wind Chill43°F (6°C)
Last update 25 Jan 03:35 PM PST
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 38. East wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 56. Calm wind becoming east southeast around 6 mph in the morning.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 45. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 10am.  Mostly sunny, with a high near 60.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °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 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 56. Calm wind becoming east southeast around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 38. Calm wind.
Tuesday
Mostly sunny, with a high near 56. Light and variable wind.
Tuesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 45. 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 60.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 61.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Berryessa CA
 38.48°N 122.22°W (Elev. 1798 ft)
12:26 pm PST Jan 25, 2026
3pm 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