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 93%
Wind Speed E 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Jan 02:30 PM PST
Extended Forecast for

2 Miles SE Napa Co. Airport CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 56. East wind around 7 mph.

    High: 56 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 45. Light east northeast wind.

    Low: 45 °F

    Cloudy

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Areas Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • 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 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 56. East wind around 7 mph.
Tonight
Cloudy, with a low around 45. Light east northeast wind.
Wednesday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 58. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 46. Calm wind.
Thursday
Mostly cloudy, with a high near 59. Calm wind becoming west southwest around 6 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 42.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 40.
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:
2 Miles SE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 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