Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

55°F

13°C

Humidity 87%
Wind Speed ENE 5 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Nov 10:35 PM PST
Extended Forecast for

3 Miles SSE Lake Berryessa CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 1am and 5am.  Mostly cloudy, with a low around 51. South wind 5 to 11 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 4pm, then a chance of rain between 4pm and 5pm.  High near 57. South wind 9 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: A slight chance of rain between 11pm and 1am.  Patchy fog after 4am.  Otherwise, clear, then becoming mostly cloudy toward daybreak, with a low around 44. Light south southwest wind.  Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 61. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 61 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: A slight chance of rain.  Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly between 1am and 5am. Mostly cloudy, with a low around 51. South wind 5 to 11 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and possibly a thunderstorm before 4pm, then a chance of rain between 4pm and 5pm. High near 57. South wind 9 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A slight chance of rain between 11pm and 1am. Patchy fog after 4am. Otherwise, clear, then becoming mostly cloudy toward daybreak, with a low around 44. Light south southwest wind. Chance of precipitation is 20%.
Saturday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 61. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 47. Calm wind.
Sunday
Rain, mainly after 10am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Monday
A slight chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Rain. Mostly cloudy, with a low around 44.
Wednesday
Rain. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Thursday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lake Berryessa CA
 38.55°N 122.24°W (Elev. 663 ft)
10:26 pm PST Nov 12, 2026
10pm PST Nov 12, 2026-6pm PST Nov 19, 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