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Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

37°F

3°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Jan 01:20 AM PST
Extended Forecast for

Napa Co. Airport CA

Cold Weather Advisory until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 10, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 38 °F

    Areas Frost

  • Saturday

    Saturday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 55. East wind 3 to 7 mph.

    High: 55 °F

    Patchy Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 56 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost between 4am and 5am. Otherwise, partly cloudy, with a steady temperature around 38. Calm wind.
Saturday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 55. East wind 3 to 7 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Monday
Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 56.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 10, 2026
Forecast Valid:
1am PST Jan 10, 2026-6pm PST Jan 16, 2026
 
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Additional Resources

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