Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

40°F

4°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 01 Feb 03:54 AM PST
Extended Forecast for

2 Miles N Sonoma CA

Coastal Flood Advisory February 1, 04:06am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 04:06am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 63 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. North northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

    High: 66 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 40. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 65. Light and variable wind becoming southwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 41. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 65.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Saturday
Areas of fog. Otherwise, partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Sonoma CA
 38.31°N 122.46°W (Elev. 571 ft)
12:26 am PST Feb 1, 2026
4am PST Feb 1, 2026-6pm PST Feb 7, 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