Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. 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. 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

61°F

16°C

Humidity 67%
Wind Speed NNW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Mar 10:15 PM PDT
Extended Forecast for

4 Miles W Saint Helena CA

Heat Advisory March 16, 10:36pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 16, 10:36pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. East northeast wind around 5 mph becoming calm  in the morning.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 70. West wind around 5 mph becoming north after midnight.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. North northeast wind around 5 mph becoming light and variable  in the morning.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71. West southwest wind around 5 mph becoming north after midnight.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a steady temperature around 74. Northwest wind around 5 mph becoming northeast after midnight.
Tuesday
Sunny, with a high near 85. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Clear, with a low around 70. West wind around 5 mph becoming north after midnight.
Wednesday
Sunny, with a high near 85. North northeast wind around 5 mph becoming light and variable in the morning.
Wednesday Night
Clear, with a low around 71. West southwest wind around 5 mph becoming north after midnight.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
1:25 pm PDT Mar 16, 2026
10pm PDT Mar 16, 2026-6pm PDT Mar 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database