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Snow Squalls from the Upper Midwest to Great Lakes; High Winds in the Northern and Central Plains

An Arctic front will bring widespread snow squalls through Friday from the Upper Midwest to the Ohio Valley. Heavy snow rates and strong winds will lead to near-zero visibility and dangerous travel conditions. High winds will continue across the northern and central High Plains through Friday, with wind gusts above 60 mph likely, leading to hazardous travel conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Last update 16 Jan 03:20 AM PST
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

Dense Fog Advisory January 16, 03:39am until January 16, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 16, 03:39am until January 16, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64. East wind 6 to 10 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 43. Light and variable wind becoming east 5 to 7 mph after midnight.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 62. East wind 5 to 10 mph.

    High: 62 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Light northeast wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Clear, with a low around 43. East southeast wind around 7 mph.
Friday
Sunny, with a high near 64. East wind 6 to 10 mph.
Friday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 43. Light and variable wind becoming east 5 to 7 mph after midnight.
Saturday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 62. East wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 44. Light northeast wind.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42.
M.L.King Day
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 42.
Tuesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 59.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Wednesday
Areas of fog. Otherwise, partly sunny, with a high near 57.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Napa Co. Airport CA
 38.17°N 122.37°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 16, 2026
Forecast Valid:
3am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
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