Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

41°F

5°C

Humidity 89%
Wind Speed ESE 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Dec 04:10 AM PST
Extended Forecast for

8 Miles SSW Saint Helena CA

Coastal Flood Advisory December 4, 04:28am until December 7, 03:00pm
Cold Weather Advisory December 4, 04:28am until December 4, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory December 4, 04:28am until December 7, 03:00pm
    Cold Weather Advisory December 4, 04:28am until December 4, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind becoming north around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. East northeast wind around 6 mph becoming calm.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog before 1am, then patchy fog after 4am.  Otherwise, mostly clear, with a low around 44. Calm wind becoming northeast around 5 mph after midnight.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, sunny, with a high near 62. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 61. East northeast wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 43. Calm wind becoming north around 5 mph.
Friday
Sunny, with a high near 62. East northeast wind around 6 mph becoming calm.
Friday Night
Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 44. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 62. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
2:09 am PST Dec 4, 2025
4am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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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