National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Continues to Impact the Northwest U.S.; Gusty to High Winds in the Northeast U.S.

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 82%
Wind Speed SW 11 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Nov 08:15 PM PST
Extended Forecast for

6 Miles SSW Lake Berryessa CA

Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 53. Breezy, with a south wind 17 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 57. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 57 °F

    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. Southwest wind 6 to 13 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. West southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 53. Breezy, with a south wind 17 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 57. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. Southwest wind 6 to 13 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. West southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 53.
Veterans Day
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
Last Update:
2:27 pm PST Nov 4, 2025
Forecast Valid:
8pm PST Nov 4, 2025-6pm PST Nov 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation