Weather Alerts For Arivaca, AZ

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY # DETAILS -------------------- WHAT Dangerously hot conditions with temperatures 98 to 105 degrees expected. Overnight lows 71 to 78 degrees. Major HeatRisk is expected Tuesday through Saturday with isolated Extreme HeatRisk. WHERE Eastern Cochise County below 5000 feet, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. WHEN Until 8 PM MST Saturday. IMPACTS Heat related illnesses increase significantly during extreme heat events. ISSUED AT Tuesday, August 25, 2026 at 11:10 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 -------------------- Eastern Cochise County below 5000 feet, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley Including the cities of Nogales, Benson, Douglas, Willcox, and Sierra Vista