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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

38°F

3°C

Humidity 99%
Wind Speed ESE 1 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 05 Dec 04:56 AM PST
Extended Forecast for

8 Miles SSW Saint Helena CA

Coastal Flood Advisory December 5, 05:01am until December 7, 03:00pm
Cold Weather Advisory December 5, 05:01am until December 5, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory December 5, 05:01am until December 7, 03:00pm
    Cold Weather Advisory December 5, 05:01am until December 5, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 10pm and 1am. Otherwise, mostly clear, with a low around 43. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 62. Light west wind becoming west northwest 6 to 11 mph in the morning.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Light north northeast wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Patchy fog between 10pm and 1am. Otherwise, mostly clear, with a low around 43. Calm wind becoming northeast 5 to 7 mph after midnight.
Saturday
Sunny, with a high near 62. Light west wind becoming west northwest 6 to 11 mph in the morning.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Light north northeast wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west northwest 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Patchy fog before 10pm, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 47.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 67.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Thursday
Patchy fog. Otherwise, sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
Last Update:
1:40 am PST Dec 5, 2025
Forecast Valid:
5am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation