Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

34°F

1°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 0.50 mi
Last update 30 Dec 07:30 AM PST
Extended Forecast for

4 Miles E Windsor CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
Cold Weather Advisory until December 30, 09:00am
Dense Fog Advisory December 30, 07:49am until December 30, 10:00am
Click here for hazard details and duration
Coastal Flood Advisory
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  •  
    Cold Weather Advisory until December 30, 09:00am
    Dense Fog Advisory December 30, 07:49am until December 30, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 56 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, with a low around 44. East northeast wind around 7 mph.

    Low: 44 °F

    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 10am.  Cloudy, with a high near 52. Calm wind becoming east northeast 5 to 8 mph in the morning.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Patchy fog before 10pm, then patchy fog after 1am. Low around 47. East wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Rain and
    Patchy Fog

  • New Year's Day

    New Year's Day: Rain.  Areas of fog. High near 53. South southeast wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain before 4am, then showers and possibly a thunderstorm after 4am.  Areas of fog. Low around 51. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers and
    Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then rain after 10am.  Patchy fog before 7am. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Rain.  Patchy fog after 10pm.  Otherwise, cloudy, with a low around 44.

    Low: 44 °F

    Rain and
    Patchy Fog

Detailed Forecast

Today
Increasing clouds, with a high near 56. East wind 3 to 7 mph.
Tonight
Cloudy, with a low around 44. East northeast wind around 7 mph.
Wednesday
A 50 percent chance of rain after 10am. Cloudy, with a high near 52. Calm wind becoming east northeast 5 to 8 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Patchy fog before 10pm, then patchy fog after 1am. Low around 47. East wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. Areas of fog. High near 53. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain before 4am, then showers and possibly a thunderstorm after 4am. Areas of fog. Low around 51. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm before 10am, then rain after 10am. Patchy fog before 7am. High near 53. Chance of precipitation is 80%.
Friday Night
Rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 44.
Saturday
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 50.
Saturday Night
Rain likely, mainly before 4am. Widespread fog, mainly after 1am. Otherwise, mostly cloudy, with a low around 41.
Sunday
Rain likely. Widespread fog. Otherwise, mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a low around 42.
Monday
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Windsor CA
 38.54°N 122.73°W (Elev. 466 ft)
12:27 am PST Dec 30, 2025
7am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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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