Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. 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 80%
Wind Speed SE 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 09:53 PM PDT
Extended Forecast for

2 Miles NNW Guerneville CA

  • Tonight

    Tonight: Patchy fog between 2am and 4am.  Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 51. Light south wind.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 8pm.  Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog between 2am and 4am. Otherwise, mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 54. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51. Light south wind.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 77.
Monday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 51.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 78.
Tuesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Guerneville CA
 38.54°N 122.99°W (Elev. 207 ft)
8:22 pm PDT Aug 21, 2026
10pm PDT Aug 21, 2026-6pm PDT Aug 28, 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