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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. 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 SSE 0 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 11 Jan 06:38 AM PST
Extended Forecast for

Graton CA

Cold Weather Advisory until January 11, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 11, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Today

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Patchy dense fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Frost
    and Patchy
    Dense Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 3am. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 9pm and 2am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind.
Tonight
Partly cloudy, with a low around 36. Calm wind.
Monday
Patchy dense fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 59. Calm wind.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 63. Calm wind.
Tuesday Night
Patchy fog between 9pm and 3am. Otherwise, mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Patchy fog between 9pm and 2am. Otherwise, mostly clear, with a low around 44.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
12:26 am PST Jan 11, 2026
Forecast Valid:
6am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation