Tucson, Arizona – Extreme heat is gripping southern Arizona, with temperatures soaring between 108°F and 112°F across Tucson, Pinal County, and neighboring communities until 8 p.m. Wednesday. Public health officials are warning that overexposure could quickly lead to heat exhaustion or even heat stroke.
According to the National Weather Service in Tucson, an Extreme Heat Warning remains in effect for the Tucson Metro Area, South Central and Southeast Pinal County, Tohono O’odham Nation, Western Pima County, and the Upper Gila River Valley. The advisory urges residents and visitors to take extra precautions between 10 a.m. and 8 p.m. Wednesday, especially in cities like Marana, Sells, Green Valley, Ajo, Clifton, and Safford.
Outdoor workers and anyone spending time outside should schedule strenuous activity for early morning or evening hours, hydrate frequently, and seek shade or air conditioning. Lightweight, loose-fitting clothing is recommended. Agencies like the Occupational Safety and Health Administration stress the importance of frequent breaks in cool environments. Anyone showing symptoms of heat-related illness—such as confusion, dizziness, or rapid heartbeat—should move to a shaded area and seek medical attention immediately.
This event marks one of the hottest stretches of the summer so far. Local emergency departments are on alert for a spike in heat illnesses, and authorities recommend checking on elderly neighbors, children, and pets. Warnings remain in effect through Wednesday, with updates expected as conditions develop.
