Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

46°F

8°C

Humidity 98%
Wind Speed SSE 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Apr 02:08 AM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Overnight

    Overnight: Partly cloudy, with a low around 44. West wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind 6 to 10 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 8 to 15 mph, with gusts as high as 32 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. North wind 7 to 10 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. West wind around 5 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 43. West wind 6 to 10 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 63. North wind 8 to 15 mph, with gusts as high as 32 mph.
Thursday Night
Clear, with a low around 48. North wind 7 to 10 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A chance of rain. Partly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Partly sunny, with a high near 60.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
1:56 am PDT Apr 15, 2026
2am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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