July 9, 2014; 8:45 PM ET
After the intensity and number of thunderstorms diminish into Friday, the weekend will bring fairly typical warmth and humidity for the middle of July around Philadelphia. more >
Showers and a thunderstorm this afternoon through this evening
Some people with joint and muscle pain say that changes in the weather trigger their symptoms, but a new study contradicts this belief, at least for those with low back pain.
About a fifth of children seen by their doctors for persistent coughs may actually have whooping cough, a new study suggests.