ABC15 crews found damage left behind by Monday's severe monsoon storms. The storm started with a massive dust storm and was followed by destructive rain and lightning. | ABC15 Arizona

Millions from California to Washington are under extreme heat alerts while lightning from monsoon storms across the West threaten to spark more fires. Meanwhile, cooler than normal temperatures will move into the East. Lee Goldberg has the forecast. http://abcn.ws/PckkZ3X | ABC World News Tonight with David Muir

A Peoria resident captures rare lightning bolts streaking sideways across the sky near Phoenix. | NTD Life