>> jacob weikopf. jacob, thank you. >>> the rough weather is disrupting travel plans for many headed home after the holiday weekend. hundreds of flights into and oust storm zone have been grounded. the highways are also treacherous. here's meg oliver. >> reporter: icy roads and whiteout conditions shut down parts of i-70 in kansas as low visibility made the highway impassable. trooper ben gardner from the kansas highway patrol warned people to stay off the roads. >> in my 19 years this might be the top five worst i've ever seen across kansas in this area. people need to slow down. they need to stay home. >> i can't see anything. >> reporter: kansas governor jeff collier issued a state of disaster emergency. the strong system caused back-ups in nebraska and at least a dozen crashes on interstate 80. blizzard warnings from western missouri to nebraska are impacting travel on the ground and in the air. thousands of flights are delayed and hundreds of flights are canceled nationwide. the impacts will be fel