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

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. 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 6 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Mar 05:35 PM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

Heat Advisory March 18, 05:45pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 05:45pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67. Light north wind.

    Low: 67 °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 65. Northwest wind 3 to 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 67. Light and variable wind.
Thursday
Sunny, with a high near 89. Light and variable wind.
Thursday Night
Clear, with a low around 67. Light north wind.
Friday
Sunny, with a high near 90. Light and variable wind.
Friday Night
Partly cloudy, with a low around 65. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 74.
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:
6 Miles SSW Saint Helena CA
 38.43°N 122.52°W (Elev. 1093 ft)
3:12 pm PDT Mar 18, 2026
5pm PDT Mar 18, 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