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 >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

42°F

6°C

Humidity 87%
Wind Speed ESE 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Dec 03:40 AM PST
Extended Forecast for

Graton CA

Coastal Flood Advisory December 4, 03:53am until December 7, 03:00pm
Cold Weather Advisory December 4, 03:53am until December 4, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
Cold Weather Advisory
  •  
    Coastal Flood Advisory December 4, 03:53am until December 7, 03:00pm
    Cold Weather Advisory December 4, 03:53am until December 4, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 41. West northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. West northwest wind 3 to 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Areas of fog between 10am and noon. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Light south southwest wind.
Thursday
Sunny, with a high near 63. Light and variable wind.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 41. West northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Friday Night
Partly cloudy, with a low around 44. West northwest wind 3 to 6 mph.
Saturday
Areas of fog between 10am and noon. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 65.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 66.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 66.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
2:09 am PST Dec 4, 2025
Forecast Valid:
3am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation