In addition, the U.S. Department of Homeland Security says to keep refrigerators and freezers closed: Refrigerators will keep food cold for about four hours, and freezers will keep food cold for about 48 hours. If power is out for more than a day, throw out any medication that requires refrigeration, the agency said.

Almost 34,000 power outages were reported across Florida at 6:30 a.m. Get latest conditions with out power outage map

Entergy says crew mobility may be limited due to the snow. Here's where power is already out, and when it should be restored.