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Inclement Weather in the Pacific Northwest; Heavy Rain and Thunderstorms in Southern Texas

A series of cold fronts will continue to bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this week. Heavy to excessive rainfall may produce areas of flooding over southern Texas through Monday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 83%
Wind Speed SE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 08 Nov 06:54 PM PST
Extended Forecast for

4 Miles E Saint Helena CA

Coastal Flood Advisory November 8, 07:12pm until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 8, 07:12pm until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Tonight

    Low: 46 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 8am. Otherwise, sunny, with a high near 78. Calm wind.

    High: 78 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Veterans Day

    Veterans Day: Areas of fog before 8am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 70.

    High: 70 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 45. Calm wind.
Tuesday
Areas of fog before 8am. Otherwise, sunny, with a high near 78. Calm wind.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 45. Calm wind.
Veterans Day
Areas of fog before 8am. Otherwise, sunny, with a high near 76.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.
Thursday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 70.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 44.
Friday
A slight chance of rain. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 44.
Saturday
A chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 66.
Saturday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Sunday
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Saint Helena CA
 38.5°N 122.4°W (Elev. 476 ft)
Last Update:
12:26 pm PST Nov 8, 2026
Forecast Valid:
7pm PST Nov 8, 2026-6pm PST Nov 15, 2026
 
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