Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. 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

87°F

31°C

Humidity 30%
Wind Speed NE 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Mar 02:53 PM PDT
Extended Forecast for

3 Miles ESE Guerneville CA

Heat Advisory March 19, 03:12pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 03:12pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 52 °F

    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 54. Light northwest wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Northwest wind 3 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. North northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 90. Light and variable wind.
Friday Night
Partly cloudy, with a low around 54. Light northwest wind.
Saturday
Mostly sunny, with a high near 83. Northwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 52. North northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
2:37 pm PDT Mar 19, 2026
3pm PDT Mar 19, 2026-6pm PDT Mar 26, 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