Flights have been disrupted in Ohio amid heavy snow, ice and rain that also have closed schools and flooded some roads.Most flights were canceled Friday morning in Cleveland, though a spokeswoman says Hopkins airport remained open. She says airlines were expected to decide after 1:30 p.m. whether to resume normal operations.

Dayton’s airport shut down for about three hours Friday while slick runways were treated. Flights resumed just before 9:30 a.m.A winter storm warning stretches across Ohio’s northern third with potential for 8 inches of snow. The Cleveland, Toledo, Akron and Canton school districts called off Friday’s classes. Zoos closed in Toledo and Akron.Meanwhile, drenching rain in southern Ohio submerged some roads. The National Weather Service says the region could receive more than 2 inches of rain.