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

KF6YUA Sebastopol (AR323)

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

NA

46°F

8°C

Humidity 95%
Wind Speed SSE 1 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 27 Dec 07:40 PM PST
Extended Forecast for

Graton CA

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of dense fog before 10am.  Otherwise, sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Dense
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 11pm, then patchy fog after 5am. Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Monday

    Monday: Patchy dense fog before 8am. Areas of frost before 8am.  Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Areas Frost
    and Patchy
    Dense Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 7am.  Otherwise, sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

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

    Low: 38 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain.  Patchy fog.  Otherwise, cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 36. Calm wind.
Sunday
Areas of dense fog before 10am. Otherwise, sunny, with a high near 55. Calm wind.
Sunday Night
Patchy fog before 11pm, then patchy fog after 5am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Monday
Patchy dense fog before 8am. Areas of frost before 8am. Otherwise, sunny, with a high near 56. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Patchy frost before 7am. Otherwise, sunny, with a high near 58.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 38.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 43.
New Year's Day
Rain likely, mainly after 10am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 55.
Thursday Night
Rain likely. Patchy fog. Otherwise, cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Saturday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
12:27 pm PST Dec 27, 2025
7pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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