Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 93%
Wind Speed WNW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Jan 05:20 AM PST
Extended Forecast for

5 Miles SSE Sonoma CA

  • Today

    Today: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly before 3am.  Otherwise, increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Dense Fog

  • Friday

    Friday: Widespread dense fog, mainly before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind.

    High: 57 °F

    Dense Fog

  • Friday Night

    Friday Night: Patchy fog after 7pm.  Otherwise, partly cloudy, with a low around 40. Light north northwest wind.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 57.

    High: 57 °F

    Areas Fog
    then Partly
    Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Widespread dense fog, mainly before 3am. Otherwise, increasing clouds, with a low around 44. Calm wind.
Friday
Widespread dense fog, mainly before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind.
Friday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 40. Light north northwest wind.
Saturday
Sunny, with a high near 60. North northeast wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 38.
Monday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 57.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 39.
Tuesday
Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Tuesday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Sonoma CA
 38.22°N 122.44°W (Elev. 3 ft)
3:11 am PST Jan 22, 2026
5am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database