Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. 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

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Mar 08:00 AM PDT
Extended Forecast for

2 Miles W Guerneville CA

Heat Advisory March 17, 08:21am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 08:21am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind.
Tonight
Mostly clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 85. Light and variable wind.
Wednesday Night
Clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 87. Light and variable wind.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Guerneville CA
 38.51°N 123.04°W (Elev. 558 ft)
1:54 am PDT Mar 17, 2026
8am PDT Mar 17, 2026-6pm PDT Mar 23, 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