Rare Southern U.S. Winter Storm; Dangerous Cold Weather For Much of the Eastern U.S.; Critical Fire Weather for Southern California

A rare winter storm impacting the Southern U.S. will move offshore Wednesday morning. Behind the storm, arctic air will continue encompassing the eastern two-thirds of the Nation with only a slow return to normal temperatures expected by the end of the week. Moderate to strong Santa Ana winds and low humidity will maintain Critical fire weather conditions in southern California into Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

37°F

3°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Jan 09:50 PM PST
Extended Forecast for

3 Miles S Napa CA

Freeze Warning January 22, 12:00am until January 22, 10:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Areas of frost after 2am.  Otherwise, mostly clear, with a low around 34. Light north wind.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am.  Otherwise, sunny, with a high near 65. Calm wind becoming north around 5 mph.

    High: 65 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. East northeast wind 3 to 7 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

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

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. Light north wind.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming north around 5 mph.
Wednesday Night
Clear, with a low around 38. Calm wind.
Thursday
Sunny, with a high near 65. East northeast wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 39. Calm wind.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 60.
Monday Night
Clear, with a low around 35.
Tuesday
Areas of frost. Otherwise, sunny, with a high near 60.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Napa CA
 38.25°N 122.27°W (Elev. 59 ft)
12:26 pm PST Jan 21, 2025
10pm PST Jan 21, 2025-6pm PST Jan 28, 2025
 
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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