Remnants of Post-Tropical Storm Arthur bring heavy rain and serious flash flood threat

Remnants of Post-Tropical Storm Arthur bring heavy rain and serious flash flood threat

☔STORM REMNANTS: The remnants of Post-Tropical Storm Arthur make their presence felt to millions of Americans, as persistent rain and a serious flash flood threat persist for residents in the south. FOX Weather Meteorologist Haley Meier reports from Hattiesburg, Mississippi, with the latest: