Nation ‘Floodwater up to 3 feet high’ Grand Canyon flooding forces evacuations, knocks out power August 23, 2023 Natalie Neysa Alund, USA TODAY Comments Off on ‘Floodwater up to 3 feet high’ Grand Canyon flooding forces evacuations, knocks out power Flooding near the Grand Canyon forced Arizona officials to closed State Route 64 on Tuesday after 2-3 inches of water fell in the area.