Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

64°F

18°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Sep 03:20 AM PDT
Extended Forecast for

2 Miles WSW Guerneville CA

Heat Advisory September 10, 03:37am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 10, 03:37am until September 10, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Overnight

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West wind 5 to 9 mph becoming light west northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 57. West southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 54. West wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 73.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
2:51 am PDT Sep 10, 2026
3am PDT Sep 10, 2026-6pm PDT Sep 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database