Weather Alerts For Corona de Tucson, AZ

# HEADLINE -------------------- EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST THURSDAY # DETAILS -------------------- WHAT Dangerously hot conditions with temperatures of 107 to 111 degrees. WHERE South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. WHEN Until 8 PM MST Thursday. IMPACTS Heat related illnesses increase significantly during extreme heat events. ISSUED AT Wednesday, July 8, 2026 at 1:18 AM MST ISSUED BY National Weather Service Tucson AZ HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water. # AREAS AFFECTED -------------------- South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Western Pima County Including the cities of Marana, Mammoth, Vail, Ajo, Clifton, Oracle, Picacho Peak State Park, Sells, Safford, Tucson, Green Valley, and Organ Pipe Cactus N.M.