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

46°F

8°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Jan 11:38 AM PST
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Today

    Today: Increasing clouds, with a high near 58. Northeast wind 3 to 6 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 58. Northeast wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 49. Calm wind.
Wednesday
Mostly cloudy, with a high near 57. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 49. Calm wind.
Thursday
Mostly sunny, with a high near 59. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
12:26 am PST Jan 20, 2026
11am 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