Excessive Heat Warning

until SAT 9:00 PM MST, Northwest Plateau, Lake Havasu and Fort Mohave, Northwest Deserts, Lake Mead National Recreation Area, Western Pima County including Ajo/Organ Pipe Cactus National Monument, Tohono O'odham Nation including Sells, Upper Santa Cruz River and Altar Valleys including Nogales, Tucson Metro Area including Tucson/Green Valley/Marana/Vail, South Central Pinal County including Eloy/Picacho Peak State Park, Southeast Pinal County including Kearny/Mammoth/Oracle, Upper Gila River and Aravaipa Valleys including Clifton/Safford

Excessive Heat Warning

until FRI 6:00 PM MST, Marble and Glen Canyons, Grand Canyon Country, Yavapai County Mountains, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, Yavapai County Valleys and Basins, Oak Creek and Sycamore Canyons

Excessive Heat Warning

until SAT 8:00 PM MST, Parker Valley, Kofa, Yuma County, Central La Paz, Aguila Valley, Southeast Yuma County, Gila River Valley, Tonopah Desert, Gila Bend, New River Mesa, Rio Verde/Salt River, Superior, Northwest Pinal County, West Pinal County, Apache Junction/Gold Canyon, Tonto Basin, Sonoran Desert Natl Monument, San Carlos, Dripping Springs, Globe/Miami

Excessive Heat Warning

until SUN 8:00 PM MST, Northwest Valley, Buckeye/Avondale, Cave Creek/New River, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, Fountain Hills/East Mesa, South Mountain/Ahwatukee, Southeast Valley/Queen Creek

Excessive Heat Warning

until FRI 8:00 PM MST, Mazatzal Mountains, Pinal/Superstition Mountains, Southeast Gila County

Air Quality Alert

until THU 9:15 PM MST, Maricopa County, Pinal County

Staples buys Office Depot for $6B to keep pace with change

Published February 4, 2015