000 AWUS81 KCTP 120909 RWSCTP REGIONAL WEATHER SUMMARY NATIONAL WEATHER SERVICE STATE COLLEGE PA 515 AM EDT FRI AUG 12 2005 ...AN EXCESSIVE HEAT WARNING HAS BEEN POSTED FOR TODAY THROUGH SATURDAY IN PHILADELPHIA AND THE LOWER DELAWARE VALLEY... SKIES WERE PARTLY CLOUDY ACROSS THE KEYSTONE STATE OVERNIGHT AS A WEAK BOUNDARY LAY DRAPED FROM WEST TO EAST ACROSS THE COMMONWEALTH. IT WAS RATHER MUGGY AND WARM IN MOST AREAS...WITH PREDAWN TEMPERATURES IN THE 60S AND 70S AND DEWPOINTS IN THE MID TO UPPER 60S ACROSS MUCH OF CENTRAL AND SOUTHERN SECTIONS. WINDS WERE LIGHT. A FRONTAL BOUNDARY WILL LIFT BACK NORTHWARD OVER PENNSYLVANIA TODAY...LEAVING THE COMMONWEALTH IN A VERY WARM AND HUMID AIRMASS FOR THE WEEKEND. THERE WILL BE A DAILY CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE NEXT SEVERAL DAYS. THE LOW TEMPERATURE OVERNIGHT WILL RANGE FROM THE LOWER 60S IN NORTHERN PENNSYLVANIA TO THE LOWER 70S NEAR PHILADELPHIA. THE HIGH TEMPERATURE THROUGH SUNDAY WILL VARY FROM THE MID 80S TO THE MID 90S...WITH OVERNIGHT LOWS IN THE 60S AND 70S. $$