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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

59°F

15°C

Humidity 58%
Wind Speed SW 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 Apr 12:00 PM PDT
Extended Forecast for

Guerneville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West northwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind 3 to 7 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 42. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 72.
Saturday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 50.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
11:26 am PDT Apr 15, 2026
12pm PDT Apr 15, 2026-6pm PDT Apr 21, 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