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

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

82°F

28°C

Humidity 42%
Wind Speed S 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Aug 03:00 PM PDT
Extended Forecast for

Monte Rio CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 73.

    High: 73 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 54. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 73.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52.
Tuesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123°W (Elev. 525 ft)
Last Update:
1:47 pm PDT Aug 21, 2026
Forecast Valid:
3pm 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation