National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

42°F

6°C

Humidity 85%
Wind Speed SE 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Dec 02:39 AM PST
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Northeast wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56. Northeast wind 5 to 14 mph, with gusts as high as 18 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm after midnight.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Northeast wind around 6 mph becoming calm.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog between 10am and 11am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 56. Northeast wind 5 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 58. Northeast wind around 6 mph becoming calm.
Friday Night
Mostly clear, with a low around 45. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
Patchy fog between 10am and 11am. Otherwise, sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
Last Update:
2:09 am PST Dec 4, 2025
Forecast Valid:
2am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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