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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

46°F

8°C

Humidity 93%
Wind Speed N 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Feb 03:00 AM PST
Extended Forecast for

Sonoma CA

  • Overnight

    Overnight: A 30 percent chance of rain. Areas of fog. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain
    and Areas Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Friday

    Friday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 62. Light southwest wind.

    High: 62 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, cloudy, with a high near 56.

    High: 56 °F

    Areas Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain. Cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 42.

    Low: 42 °F

    Rain and
    Patchy Fog

Detailed Forecast

Overnight
A 30 percent chance of rain. Areas of fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.
Friday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 62. Light southwest wind.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, cloudy, with a high near 56.
Saturday Night
Rain likely, mainly after 4am. Cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Rain. Cloudy, with a high near 55.
Sunday Night
Rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 42.
Washington's Birthday
Rain. Patchy fog before 10am. Otherwise, cloudy, with a high near 54.
Monday Night
Rain. Mostly cloudy, with a low around 39.
Tuesday
Rain. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
11:37 pm PST Feb 11, 2026
Forecast Valid:
3am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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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