Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

43°F

6°C

Humidity 100%
Wind Speed NNE 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 09 Dec 05:00 AM PST
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Light east wind.

    High: 58 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 9am.  Otherwise, mostly sunny, with a high near 60. East wind 3 to 5 mph.

    High: 60 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming east northeast around 6 mph in the morning.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Light east wind.
Tonight
Patchy dense fog. Otherwise, mostly clear, with a low around 40. Calm wind.
Wednesday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 60. East wind 3 to 5 mph.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 40. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming east northeast around 6 mph in the morning.
Thursday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 60.
Friday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 58.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Monday
A slight chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
2:42 am PST Dec 9, 2025
5am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database