Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

43°F

6°C

Humidity 99%
Wind Speed SSE 2 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 28 Dec 10:10 PM PST
Extended Forecast for

4 Miles WSW Santa Rosa CA

Cold Weather Advisory December 29, 01:00am until December 29, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Areas of fog. Areas of frost after 4am.  Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Fog
    then Areas
    Frost and
    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Areas of frost before 9am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Calm wind.

    High: 57 °F

    Areas Frost
    and Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Areas of fog. Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Areas Fog
    then Patchy
    Frost and
    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Patchy frost before 8am.  Otherwise, sunny, with a high near 57. Light east northeast wind.

    High: 57 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog.  Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Areas Fog

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 56.

    High: 56 °F

    Areas Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent 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.  Patchy fog before 1pm.  Otherwise, cloudy, with a high near 51.

    High: 51 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely.  Patchy fog after 7pm.  Otherwise, cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Tonight
Areas of fog. Areas of frost after 4am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Monday
Areas of fog before 10am. Areas of frost before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Calm wind.
Monday Night
Areas of fog. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Tuesday
Areas of fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 57. Light east northeast wind.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Wednesday
A 10 percent chance of rain after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 56.
Wednesday Night
A 40 percent 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. Patchy fog before 1pm. Otherwise, cloudy, with a high near 51.
Thursday Night
Rain likely. Patchy fog after 7pm. Otherwise, cloudy, with a low around 47.
Friday
Rain likely, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55.
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 54.
Saturday Night
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 46.
Sunday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Santa Rosa CA
 38.42°N 122.75°W (Elev. 102 ft)
12:27 pm PST Dec 28, 2025
10pm PST Dec 28, 2025-6pm PST Jan 4, 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