National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

64°F

18°C

Humidity 63%
Wind Speed E 5 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Feb 04:30 PM PST
Extended Forecast for

Sonoma CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 64. Light south southeast wind.

    High: 64 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain. Patchy fog after 11pm. Low around 51. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain. High near 58. South southeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 7pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 52. Light south southwest wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 64. Light south southeast wind.
Tonight
Rain. Patchy fog after 11pm. Low around 51. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 58. South southeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain likely, mainly before 7pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 52. Light south southwest wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Areas of fog before noon. Otherwise, partly sunny, with a high near 66. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48.
Friday
Mostly cloudy, with a high near 70.
Friday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50.
Saturday
A slight chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 67.
Saturday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Sunday
A slight chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 65.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 45.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
2:22 pm PST Feb 23, 2026
Forecast Valid:
4pm PST Feb 23, 2026-6pm PST Mar 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation