Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Mar 07:20 AM PDT
Extended Forecast for

2 Miles E Guerneville CA

Heat Advisory March 18, 07:30am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 07:30am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind.
Tonight
Clear, with a low around 57. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 90. Light and variable wind.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A slight chance of rain. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
1:59 am PDT Mar 18, 2026
7am PDT Mar 18, 2026-6pm PDT Mar 24, 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