From the National Weather Service

… Excessive heat warning remains in effect from 11 am this morning to 8 pm edt this evening… * heat index… Maximum values between 99 and 104 degrees due to temperatures in the middle 90s and dew points in the upper 60s and lower 70s. * timing… The highest heat index values will occur during the afternoon. * impacts… Heat-related illness may develop if outdoors for an extended period of time. Also, the elderly, young children and those with pre-existing health conditions will be at greater risk for heat stress. Precautionary/preparedness actions… An excessive heat warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will create a dangerous situation in which heat illnesses are likely. Drink plenty of fluids… Stay in an air-conditioned room… Stay out of the sun… And check on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible… Reschedule strenuous activities to the early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. 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. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.