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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 37°F (3°C)
Visibility -0.25 mi
Last update 28 Dec 08:35 AM PST
Extended Forecast for

Sonoma CA

  • Today

    Today: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. East wind 3 to 5 mph.

    High: 55 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am. Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming east around 6 mph in the morning.

    High: 55 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53.

    High: 53 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 10pm. Areas of fog. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    and Areas Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am. Areas of fog before 10am. Otherwise, cloudy, with a high near 50.

    High: 50 °F

    Rain Likely
    and Areas Fog

Detailed Forecast

Today
Sunny, with a high near 55. Light and variable wind.
Tonight
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. East wind 3 to 5 mph.
Monday Night
Patchy fog after 1am. Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Calm wind.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming east around 6 mph in the morning.
Tuesday Night
Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37.
Wednesday
A 10 percent chance of rain after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain, mainly after 10pm. Areas of fog. Otherwise, mostly cloudy, with a low around 42.
New Year's Day
Rain likely, mainly after 10am. Areas of fog before 10am. Otherwise, cloudy, with a high near 50.
Thursday Night
Rain likely. Areas of fog. Otherwise, cloudy, with a low around 46.
Friday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Saturday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.3°N 122.49°W (Elev. 108 ft)
Last Update:
6:40 am PST Dec 28, 2025
Forecast Valid:
9am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation