Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. 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 ESE 1 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Jan 09:27 AM PST
Extended Forecast for

3 Miles S Cotati CA

  • Today

    Today: Patchy dense fog before 11am.  Otherwise, mostly cloudy, with a high near 60. Light south southeast wind.

    High: 60 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog.  Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am.  Otherwise, cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 11am. Otherwise, mostly cloudy, with a high near 60. Light south southeast wind.
Tonight
Patchy fog. Otherwise, cloudy, with a low around 43. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, cloudy, with a high near 59. Calm wind.
Wednesday Night
Patchy fog. Otherwise, cloudy, with a low around 44. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 60. Light and variable wind.
Thursday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Cotati CA
 38.29°N 122.69°W (Elev. 226 ft)
12:26 am PST Jan 20, 2026
9am PST Jan 20, 2026-6pm PST Jan 26, 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