Blowing snow will be a big problem early tomorrow morning. for those of you trying to get out. the runways and highways will be slick and dangerous. here s more at studio w in fox headquarters. reporter: it is saturday morning. you want to stay in on the couch or sleep in a little. philadelphia, looking at philadelphia national airport. snow is steady over the past several hours. delays, cancellations stacking up. expecting that accumulation on the runways. if you do have those plans. you might want to pack your patience. one of the travel troubles in partnership with flight aware. a lot of these airports are in the south. atlanta, georgia, chicago is in the midwest, charlotte, north carolina.