Wear lightweight, light colored, loose-fitting clothing. Alcohol can harm one's ability to cool oneself. Do not leave children or pets in an enclosed automobile. Contact neighbors and relatives, especially the elderly, who are at high risk, at least twice a day in person or by phone. Get immediate help if a person appears to be in trouble because of heat.
Heat stroke is the most serious heat-related condition.
Heat exhaustion occurs before heat stroke. Symptoms can vary, but require a doctor's immediate attention.