The National Weather Service has issued an Extreme Heat Warning for Cochise, Coconino, Graham, Greenlee, Maricopa, Pima, Pinal, and Santa Cruz counties through August 8. New extreme heat warnings have been issued for Gila county August 5-8 ; and LaPaz and Yuma counties August 6-8. Daytime highs up to 118°F are expected. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.