authorities now reviewing footage. they re calling it a reckless and cowardly act. another mass shooting in wichita, kansas, seven wounded there. one suspect in custody. ike ejiochi on the ground in baltimore. july 4th travel chaos on the ground and in the air. severe thunderstorms forcing delays. new details on which airports are impacted, and then this scare in the skies. a hawaiian airlines flight hit by severe turbulence. this morning, a southwest flight forced to divert and land after troubles with cabin pressure. jacklyn lee from newark airport. tonight more than 100 million under heat and severe weather alerts. strong winds, possible tornadoes, the northeast feeling the impacts today and tomorrow. flash flooding leaving drivers stranded in chicago. in the south, no break from the intense heat. temperatures spiking well into the triple digits. residents trying to stay cool however they can. elwyn lopez in atlanta. rob marciano timing it all out. the bomb supreme c
putting a damper on holida plans. flash flooding in chicago stranding people in their cars. their vehicles submerged under water. dozens had to be rescued. all that rain forcing nascar to cancel an event in the city. here s elwyn lopez. reporter: tonight, severe weather and heat impacting more than 100 million americans. flash floods filling streets in chicago, cars stranded, drivers wading through the high waters. we have this big low pressure system swirling over us. you can kind of even see it, so that s why these showers will kind of keep on redeveloping. reporter: in kentucky, storms washing out sales at this fireworks store ahead of independence day. if we get a break in the weather, we ll get out there and do something even if it means shooting fireworks off during the daytime. reporter: and for weeks that heat wave, scorching states from coast to coast. first responders encouraging people to stay hydrated. i ll be all over nashville, and i see a lot of dehydration.