FedEx will make deliveries tomorrow to sites that are open and able to receive vaccine shipments, the company said in a statement.
The company said it will deliver vaccines to areas not impacted by the winter storm.
"We continue to work closely with our healthcare customers and the federal government to safely and swiftly deliver COVID-19 vaccines throughout the U.S.," FedEx said in a statement.
To get back on track, Andy Slavitt, the White House senior adviser for Covid response, told CNN's Chris Cuomo officials are going to to have to extend appointment and shipping hours.
CNN's Christina Maxouris contributed to this report.