Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

45°F

7°C

Humidity 100%
Wind Speed N 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill43°F (6°C)
Last update 23 Jan 04:54 AM PST
Extended Forecast for

Napa CA

  • Today

    Today: Widespread dense fog, mainly before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 58 °F

    Dense Fog

  • Tonight

    Tonight: Widespread fog, mainly between 11pm and midnight.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Fog

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. East wind 3 to 7 mph.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Widespread fog, mainly between 11pm and midnight. Otherwise, partly cloudy, with a low around 41. Calm wind.
Saturday
Sunny, with a high near 60. North northeast wind 11 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Increasing clouds, with a low around 36. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 55. East wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 58.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 39.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 59.
Tuesday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
Wednesday Night
Widespread fog. Otherwise, mostly cloudy, with a low around 42.
Thursday
Widespread fog. Otherwise, mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
12:26 am PST Jan 23, 2026
5am PST Jan 23, 2026-6pm PST Jan 29, 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