More than 20 people have been reported dead and more than a hundred more were injured when the mile-wide tornado touched down in Oklahoma City suburbs on Monday.
Reid said all federal resources would be available for the people of Oklahoma.
“We will continue to do everything in our power to help the people of Oklahoma recover,” Reid said, adding that he was glad to see that the Federal Emergency Management Agency (FEMA) was already on the ground in the region.
Both leaders said they were concerned the list of casualties would grow as search and rescue teams continue to do their jobs. More storms are expected to hit the region this week.