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

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Mar 05:00 AM PDT
Extended Forecast for

2 Miles W Guerneville CA

Heat Advisory March 19, 05:25am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 05:25am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Northwest wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind.
Tonight
Mostly clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Guerneville CA
 38.51°N 123.04°W (Elev. 558 ft)
5:12 am PDT Mar 19, 2026
5am PDT Mar 19, 2026-6pm PDT Mar 25, 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