Pennsylvanians are urged to pay close attention to weather forecasts due to the current heat wave. Experts advise everyone to take common sense precautions to avoid serious health problems. State Secretary of Aging,Teresa Osborne, cautions that high heat and humidity can cause problems for the elderly in particular because they are more likely to have chronic conditions. Governor Tom Wolf says with an extended period of hot and humid weather, people need to keep an eye on loved ones, elderly neighbors and pets as well.