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

84°F

29°C

Humidity 35%
Wind Speed S 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Mar 02:35 PM PDT
Extended Forecast for

Santa Rosa CA

Heat Advisory March 17, 02:50pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 02:50pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Wednesday

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

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Thursday Night

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

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Calm wind.
Tonight
Clear, with a low around 54. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Clear, with a low around 57. Calm wind.
Thursday
Sunny, with a high near 91. Calm wind.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
1:49 pm PDT Mar 17, 2026
2pm 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