National Hurricane Center Watching Two Areas of ConcernDangerous Flooding Persists As South Texas Hit By Days Of Heavy RainDangerous Heat Dome Expands Across Central U.S.Great American State Fair Forced To Close Due To Extreme HeatHeat Wave Triggers Emergency Orders For US Power GridDeadly Swarm Of Tornadoes Strike Illinois, Neighboring StatesSouth Faces Days Of Rain, Flash Flooding From Post-Tropical Storm ArthurTropical Storm Warnings Issued for Texas & Louisiana Tropical Storm Watches Up for the Texas Gulf Coast Trapped Residents Rescued Amid Dangerous Flash Floods Across The SouthNational Hurricane Center Monitoring Area of ConcernMemorial Day Weekend Travel Upended By Severe Weather Forecast