The National Weather Service has issued an Excessive Heat Warning for 13 counties. Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, and Yuma counties will be affected throughJune 7. Daytime highs up to 115 degrees Fahrenheit are expected. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.