National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

52°F

11°C

Humidity 40%
Wind Speed NNW 8 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Apr 03:35 AM PDT
Extended Forecast for

Guerneville CA

  • Overnight

    Overnight: Clear, with a low around 46. Calm wind.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Rain Likely

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. Light and variable wind.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Monday
Rain. Mostly cloudy, with a high near 62.
Monday Night
Rain likely. Mostly cloudy, with a low around 50.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
2:27 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation