Freeze warning

to THU 9:00 a.m. MST, Eastern Cochise County below 5,000 feet including Douglas/Wilcox, Upper Santa Cruz River and Altar Valleys including Nogales, Upper San Pedro River Valley including Sierra Vista/Benson, Upper Gila River and Aravaipa Valleys including Clifton/Safford , San Carlos, Globe/Miami, Pinal/Superstition Mountains, Mazatzal Mountains