Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

48°F

9°C

Humidity 87%
Wind Speed E 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Jan 02:00 PM PST
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 58. East wind around 6 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog between 1am and 3am.  Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Cloudy then
    Patchy Fog

  • Wednesday

    Wednesday: Widespread dense fog between 7am and 10am.  Otherwise, cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Dense Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 58. East wind around 6 mph.
Tonight
Patchy fog between 1am and 3am. Otherwise, cloudy, with a low around 46. Calm wind.
Wednesday
Widespread dense fog between 7am and 10am. Otherwise, cloudy, with a high near 58. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 47. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
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)
1:57 pm PST Jan 20, 2026
2pm PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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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