A flash flood warning was issued by the National Weather Service in Phoenix at 10:09 a.m. on Thursday, Sept. 24.
State and federal officials ramped up efforts Monday to locate around 15 people who are missing after a major flash flood swept through in the Grand Canyon.
Heavy summer rains have triggered flash floods throughout the Four Corners region in recent months. In his latest Canyon ...
A second flash flood hit the Grand Canyon on September 16, further damaging water infrastructure near Bright Angel Canyon.