Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

56°F

13°C

Humidity 97%
Wind Speed SSE 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 31 Mar 05:56 AM PDT
Extended Forecast for

Graton CA

  • Today

    Today: A 50 percent chance of rain, mainly after 1pm.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain
    and Areas Fog

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 1am and 2am.  Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 47. Light south wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Areas of fog before 11am.  Otherwise, cloudy, with a high near 61. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely
    and Areas Fog

  • Wednesday Night

    Wednesday Night: Rain.  Low around 41. Southwest wind 5 to 9 mph becoming light west  after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Sunny, with a high near 66. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 1pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain, mainly between 1am and 2am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 47. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 11am. Areas of fog before 11am. Otherwise, cloudy, with a high near 61. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 41. Southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Sunny, with a high near 66. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.43°N 122.84°W (Elev. 79 ft)
1:26 am PDT Mar 31, 2026
6am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database