Snow is on the way to the Philadelphia area, but before then, the Arctic air ahead of the storm system has arrived for Saturday. About eight to 12 inches of snow are expected for the Delaware Valley on Sunday. Our Tammie Souza gives us an update on the latest changes as the NEXT Weather team continues to track the upcoming snowstorm. #NEXTWeather #snowstorm #philadelphia #philly #delaware #southjersey #jersey #newjersey