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

5 Miles W Napa Co. Airport CA

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

    Tonight: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31. Light west northwest wind.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 3am.  Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Thursday

    Thursday: Areas of frost before 8am.  Otherwise, sunny, with a high near 64. East northeast wind 3 to 8 mph.

    High: 64 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

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

    Low: 38 °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 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. Light west northwest wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Light and variable wind.
Wednesday Night
Patchy frost after 3am. Otherwise, clear, with a low around 36. Calm wind.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 64. East northeast wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 37. Calm wind.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 61.
Monday Night
Patchy frost. Otherwise, clear, with a low around 34.
Tuesday
Areas of frost. Otherwise, sunny, with a high near 60.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
12:26 pm PST Jan 21, 2025
10pm PST Jan 21, 2025-6pm PST Jan 28, 2025
 
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Additional Resources

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Hourly Weather Forecast

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