The National Weather Service has issued an Extreme Heat Warning for 12 counties . Mohave County will be affected June 15 . Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Pima, Pinal, Santa Cruz, and Yuma Counties will be affected June 14-16. Daytime high temperatures are expected to reach up to 115 degrees . Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.