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.

Mist

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 37°F (3°C)
Visibility 2.00 mi
Last update 28 Dec 12:35 AM PST
Extended Forecast for

4 Miles NW Sonoma CA

  • Overnight

    Overnight: Patchy frost after 3am. Otherwise, partly cloudy, with a steady temperature around 39. Calm wind.

    Low: 39 °F

    Patchy Frost

  • Sunday

    Sunday: Sunny, with a high near 54. Light northeast wind.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light north northeast wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 55. East northeast wind 3 to 5 mph.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 9pm, then patchy fog after 5am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 55.

    High: 55 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Patchy frost after 3am. Otherwise, partly cloudy, with a steady temperature around 39. Calm wind.
Sunday
Sunny, with a high near 54. Light northeast wind.
Sunday Night
Mostly clear, with a low around 36. Light north northeast wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 55. East northeast wind 3 to 5 mph.
Monday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. Calm wind.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Tuesday Night
Patchy fog before 9pm, then patchy fog after 5am. Otherwise, mostly clear, with a low around 37.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 41.
New Year's Day
Rain likely, mainly after 10am. Patchy fog before 10am, then patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Patchy fog. Otherwise, cloudy, with a low around 43.
Friday
A chance of rain. Partly sunny, with a high near 52.
Friday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sonoma CA
 38.35°N 122.5°W (Elev. 197 ft)
Last Update:
12:27 am PST Dec 28, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation