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.

Mostly Cloudy

61°F

16°C

Humidity 82%
Wind Speed SW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Nov 08:35 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory November 4, 08:46pm until November 8, 02:00pm
Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory
  •  
    Coastal Flood Advisory November 4, 08:46pm until November 8, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Advisory

  • Tonight

    Low: 58 °F

    Showers

  • 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. High near 62. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph.

    Low: 53 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 71.

    High: 71 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Rain likely between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Steady temperature around 58. South wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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. High near 62. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph.
Friday
A 20 percent chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Saturday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 72.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Veterans Day
Areas of fog. Otherwise, partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 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