Extreme Heat Watch

Locations Affected

Tucson, AZ ∙ Lukeville, AZ ∙ Ali Molina, AZ ∙ Flowing Wells, AZ ∙ Rincon Valley, AZ ∙ Eden, AZ ∙ Quijotoa, AZ ∙ Red Rock, AZ ∙ South Tucson, AZ ∙ Elgin, AZ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 145 PM MST Fri Aug 1 2025 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 110. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 115 possible, especially across portions of Pima county and south-central Pinal county. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...For the Extreme Heat Warning, until 8 PM MST Tuesday. For the Extreme Heat Watch, from Wednesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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.

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