During the summer and autumn months, the weather is still warm during the days that you can wear shorts. However, it can get cold a night so bring a jacket and long pants,
Miscellaneous: This is a picture of the bridge that spans Hoover Dam. On one side is Nevada, and Arizona is on the other side.
When you visit the Hoover dam make sure you wear good shoes when going on one of the tours especially when your taking the hard hat tour it is adviced not to wear open shoes. You will be walking in manmade caves and up en down stairs.
Photo Equipment: You can take al the pictures you like (it's the federal government they've got nothing to hide ;-) ) But make sure to take a light sensitive film with you 400 ASA or higher.