Cat. 5 dust storm hits Phoenix with low visibility

Extreme Heat Warning

until FRI 8:00 PM MST, Marble and Glen Canyons, Grand Canyon Country, West Pinal County, East Valley, Gila River Valley, Yuma County, Deer Valley, Scottsdale/Paradise Valley, Northwest Pinal County, Cave Creek/New River, Apache Junction/Gold Canyon, Gila Bend, Buckeye/Avondale, Central La Paz, Northwest Valley, Sonoran Desert Natl Monument, Fountain Hills/East Mesa, Southeast Valley/Queen Creek, Aguila Valley, South Mountain/Ahwatukee, Kofa, North Phoenix/Glendale, Southeast Yuma County, Tonopah Desert, Central Phoenix, Parker Valley