August 31, 2015
Clouds fill the Grand Canyon, as viewed from the Yavapai Museum of Geology on the South Rim.
Photo By: Suzanne Mathia
August 30, 2015
Lightning from a monsoon storm flashes over the border town of Nogales.
Photo By: Roberto Heredia
August 29, 2015
Bison bulls on the Grand Canyon’s North Rim spar for dominance.
Photo By: Bill Ferris
August 28, 2015
A summer monsoon storm approaches the Vermilion Cliffs in late summer.
Photo By: Klaus Priebe
August 27, 2015
Water covers a serene, pine-ringed meadow on the Mogollon Rim.
Photo By: Sherry Miller
August 26, 2015
Black-and-White Wednesday: A tornado touches down near Kayenta on the Navajo Nation.
Photo By: Rich Lewis
August 25, 2015
A frog eyes the photographer in Flagstaff.
Photo By: Rhonda McMacken
August 24, 2015
A storm brews in the distance, as seen from Chino Valley looking toward Jerome.
Photo By: Steve Copen
August 23, 2015
Fading light casts a bluish tint on the buttes of the Grand Canyon.
Photo By: Dave Stoker