The National Weather Service has extended an Extreme Heat Warning for 3 counties . La Paz, Pinal, and Yuma counties through July 1. Heat warnings are ongoing for Gila, Graham, Greenlee, and Pima counties through June 30. Coconino (lower elevations of the Grand Canyon) and Maricopa counties through July 1. Daytime highs up to 116°F are expected. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.