Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

73°F

23°C

Humidity 53%
Wind Speed ESE 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Nov 11:35 AM PST
Extended Forecast for

Sonoma CA

  • Today

    Today: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 76. Light and variable wind.

    High: 76 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Rain, mainly after 4pm.  Patchy fog before 7am. High near 64. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Wednesday Night

    Wednesday Night: Rain, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall.  Low around 51. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 51 °F

    Heavy Rain

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. Calm wind.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Veterans Day
Mostly cloudy, with a high near 76. Light and variable wind.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Wednesday
Rain, mainly after 4pm. Patchy fog before 7am. High near 64. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 51. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43.
Friday
A chance of showers. Partly sunny, with a high near 58.
Friday Night
A slight chance of showers. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
11:30 am PST Nov 10, 2025
11am PST Nov 10, 2025-6pm PST Nov 16, 2025
 
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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