Kirah Jones carries a water inflatable Wednesday, Jan. 20, 2016, behind Danville High School in Danville, Ky. Snow and drizzle began falling early Wednesday across much of Kentucky and Tennessee leading school districts and some universities to cancel classes and officials to warn motorists to drive carefully. (Clay Jackson/The Advocate-Messenger via AP) TABLOIDS OUT; MANDATORY CREDIT

The Northeast prepares for heavy snow

All major airlines have issued waivers for travel over the weekend, allowing passengers to rebook onto earlier or later flights to avoid the…