Salad And Go: will open late on Thursday. Waffle House will operate at normal hours. Medical emergencies won't wait until the winter storm passes, so North Texas hospitals are preparing to operate in the inclement weather. Click here for a list of open hospitals.

The Tennessee Valley could see some of the heaviest snowfall, with 6 inches expected on Friday. A wide swath of the country is under winter weather warnings and advisories and will see impacts including "widespread closures, treacherous travel, scattered power outages, and downed branches," the weather service said.

School districts in the Dallas-Fort Worth area are closing their campuses Thursday and Friday ahead of the winter storms expected to hit the region. Dallas, Tarrant, Collin, Denton, Rockwall and Hunt are under a winter storm warning as the National Weather Service forecasts a wintry mix of rain and possibly up to 4 inches of snow that could begin 6 a.