The National Weather Service has issued an Extreme Heat Warning for 11 counties . Coconino county has been extended from July 7th through 13th, Gila, Maricopa, and Pinal Counties: July 8-10, Graham, Greenlee, Mohave, Pima, and Yavapai Counties: July 9, La Paz and Yuma Counties: July 9-10. Daytime highs up to 117°F are expected. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.