Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

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 16%
Wind Speed WNW 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Mar 04:00 PM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

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

    Tonight: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. North northeast wind around 5 mph becoming light and variable  in the morning.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. Light and variable wind.

    Low: 65 °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 66. Light and variable wind.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °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: Clear, with a low around 67.

    Low: 67 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Light and variable wind.
Monday
Sunny, with a high near 87. North northeast wind around 5 mph becoming light and variable in the morning.
Monday Night
Clear, with a low around 65. Light and variable wind.
Tuesday
Sunny, with a high near 88. Light and variable wind.
Tuesday Night
Clear, with a low around 66. Light and variable wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Clear, with a low around 67.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 75.
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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 15, 2026
4pm PDT Mar 15, 2026-6pm PDT Mar 22, 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