WPVI Action News 11pm August 17, 2016
Year and it could even stretch through another weekend, metrologist cecily tynan is at the action big board with a look at the forecast cecily. A heat wave has now gone for seven days now, the good news is it peaked already. The worst of it was saturday when the heat index rose all the way up to 111 but seven days ties as the longest heat wave of the year in late july and this heat wave has the potential to last five more days but temperatures will be in the low 90s and the humidity tomorrow will not be as high as today. The highest heat index in philadelphia rose up to 106 degrees today. Tomo...