Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

59°F

15°C

Humidity 73%
Wind Speed S 2 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 13 Apr 06:56 PM PDT
Extended Forecast for

Graton CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 40. West wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. West northwest wind 3 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Light west northwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. West wind 5 to 10 mph becoming light west northwest  after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. West northwest wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 68. Light west northwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 42. West wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 73.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 66.
Sunday Night
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Monday
A chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.43°N 122.84°W (Elev. 79 ft)
1:26 pm PDT Apr 13, 2026
7pm PDT Apr 13, 2026-6pm PDT Apr 20, 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