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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

smoke

75°F

24°C

Humidity 47%
Wind Speed S 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Aug 08:53 PM PDT
Extended Forecast for

Monte Rio CA

  • Tonight

    Tonight: Clear, with a low around 58. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West southwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 73.

    High: 73 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Patchy Fog

Detailed Forecast

Tonight
Clear, with a low around 58. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 51.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 73.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 76.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123.03°W (Elev. 623 ft)
Last Update:
8:32 pm PDT Aug 1, 2026
Forecast Valid:
9pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation