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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity 31%
Wind Speed NNW 8 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 03 Dec 11:00 AM PST
Extended Forecast for

Yountville CA

Coastal Flood Advisory December 3, 11:27am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 11:27am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. North wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59. Northeast wind around 6 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64. North wind 5 to 8 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Areas of fog. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Areas Fog

Detailed Forecast

Today
Mostly sunny, with a high near 61. North wind 16 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 39. North wind 5 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 59. Northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 41. Calm wind.
Friday
Sunny, with a high near 64. North wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 43.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 63.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
Last Update:
8:40 am PST Dec 3, 2025
Forecast Valid:
11am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation