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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Overcast

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Last update 28 Dec 03:00 AM PST
Extended Forecast for

Windsor CA

  • Overnight

    Overnight: Areas of fog. Patchy frost before 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Frost
    and Areas Fog

  • Sunday

    Sunday: Patchy dense fog before 9am. Patchy frost between 8am and 9am. Otherwise, sunny, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Frost
    and Patchy
    Dense Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. 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 56. Light east northeast wind.

    High: 56 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Patchy fog before 9pm. Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 7am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain. Areas of fog. Otherwise, cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    and Areas Fog

Detailed Forecast

Overnight
Areas of fog. Patchy frost before 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Sunday
Patchy dense fog before 9am. Patchy frost between 8am and 9am. Otherwise, sunny, with a high near 54. Calm wind.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. Calm wind.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 56. Light east northeast wind.
Monday Night
Patchy fog before 9pm. Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.
Tuesday
Areas of frost before 7am. Otherwise, sunny, with a high near 57.
Tuesday Night
Patchy fog before 4am. Otherwise, partly cloudy, with a low around 38.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Areas of fog. Otherwise, cloudy, with a low around 42.
New Year's Day
Rain likely, mainly after 10am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 54.
Thursday Night
Rain likely. Cloudy, with a low around 44.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 41.
Saturday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Windsor CA
 38.55°N 122.79°W (Elev. 174 ft)
Last Update:
12:27 am PST Dec 28, 2025
Forecast Valid:
3am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation