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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 52%
Wind Speed N 10 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 08 Jan 05:55 PM PST
Extended Forecast for

4 Miles E Yountville CA

Cold Weather Advisory January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 37. North wind 6 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Northeast wind 3 to 6 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after midnight. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 53 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 37. North wind 6 to 8 mph.
Friday
Sunny, with a high near 53. Northeast wind 3 to 6 mph.
Friday Night
Patchy frost after midnight. Otherwise, mostly clear, with a low around 35. Calm wind.
Saturday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 37. Calm wind.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Yountville CA
 38.38°N 122.28°W (Elev. 299 ft)
Last Update:
12:26 pm PST Jan 8, 2026
Forecast Valid:
6pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation