evansville, indiana. louisville, kentucky. and atlanta, georgia. fully at a record, but you're going to be close. a very hot day there. look out for slow moving, drenching thunderstorms. baltimore d.c. down i-95 and also areas around the blue ridge of virginia. some of these could lead to flash flooding in the afternoon and evening. for accuweather, i'm jeff cornish for abc news. >> coming up, the crisis at the grand canyon, why hotels are being forced to close ahead of the busy holiday weekend. >> also ahead, thousands of flight attendants are now threatening to strike. why? they claim they deserve a double digit pay raise. >> and a scare at a popular zoo after the deaths of thr debate tuesday, september 10th live on abc. >> in the wake of last week's deadly flooding, the main pipeline providing water to the grand canyon has failed, forcing the cancellation of all overnight stays at local hotels through labor day. weekend camping will be allowed, but water use is restricted. >> a major airline is bracing for a potential flight attendant strike. th