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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.

Mostly Cloudy

46°F

8°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 09 Nov 12:25 AM PST
Extended Forecast for

3 Miles E Saint Helena CA

Coastal Flood Advisory November 9, 12:52am until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 9, 12:52am until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Overnight

    Low: 46 °F

    Areas Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °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: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 47. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44. Calm wind.
Veterans Day
Areas of fog before 8am. Otherwise, sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Friday
A slight chance of rain. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 46.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 64.
Saturday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Sunday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Saint Helena CA
 38.5°N 122.4°W (Elev. 476 ft)
Last Update:
12:26 am PST Nov 9, 2026
Forecast Valid:
12am PST Nov 9, 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