Las Vegas Sun

May 5, 2016

Currently: 76° — Complete forecast

In this July 24, 2014, photo, dropping water levels reveal larger islands in Lake Mead compared to a picture on an interpretive sign on a hill overlooking the lake in Lake Mead National Recreation Area.

John Locher / AP

In this July 24, 2014, photo, dropping water levels reveal larger islands in Lake Mead compared to a picture on an interpretive sign on a hill overlooking the lake in Lake Mead National Recreation Area.