When his staff said they'd schedule something soon, O'Rourke responded that he'd like to go immediately. His campaign then scrambled to change flights. Flood waters mostly have receded in the area, but storms that dropped 20-plus inches (51 centimeters) of rain in some parts caused widespread damage. Flooding still threatens towns farther south in Arkansas.
O'Rourke will be joined by former Oklahoma Gov. David Walters during visits Sunday to Sand Springs, Owasso and Collinsville.