Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

88°F

31°C

Humidity 38%
Wind Speed SE 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Mar 04:20 PM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

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

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Light west wind.
Tonight
Clear, with a low around 66. Calm wind.
Tuesday
Sunny, with a high near 88. Light and variable wind.
Tuesday Night
Clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 87. Light and variable wind.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.43°N 122.52°W (Elev. 1093 ft)
1:25 pm PDT Mar 16, 2026
4pm PDT Mar 16, 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