Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

49°F

9°C

Humidity 94%
Wind Speed SSE 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 31 Jan 09:52 PM PST
Extended Forecast for

Graton CA

Coastal Flood Advisory January 31, 10:02pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 10:02pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 43 °F

    Dense Fog

  • Sunday

    Sunday: Widespread fog, mainly before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West northwest wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog between 10am and 11am.  Otherwise, mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of dense fog before 9am.  Otherwise, sunny, with a high near 68.

    High: 68 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Tonight
Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Widespread fog, mainly before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 40. West northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Monday
Patchy fog between 10am and 11am. Otherwise, mostly sunny, with a high near 66. Light and variable wind.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Areas of dense fog before 9am. Otherwise, sunny, with a high near 68.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Patchy fog between 11pm and midnight. Otherwise, mostly clear, with a low around 43.
Thursday
Sunny, with a high near 68.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Saturday
Areas of fog. Otherwise, partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.43°N 122.84°W (Elev. 79 ft)
8:12 pm PST Jan 31, 2026
10pm PST Jan 31, 2026-6pm PST Feb 7, 2026
 
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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