Warning for excessive heat

to Tue 8:00 PM MST, Sonoran Desert Natl Monument, Deer Valley, Northwest Pinal County, Scottsdale/Paradise Valley, East Valley, Parker Valley, Tonopah Desert, North Phoenix/Glendale, Northwest Valley, Gila Bend, West Pinal County, Central La Paz, Aguila Valley, Buckeye/Avondale, Fountain Hills/East Mesa, Cave Creek/New River, Apache Junction/Gold Canyon, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Central Phoenix, Lake Havasu and Fort Mohave, Lake Mead National recreation area