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 ArthurTrapped Residents Rescued Amid Dangerous Flash Floods Across The SouthMemorial Day Weekend Travel Upended By Severe Weather ForecastCentral US Braces As Severe Storms Bring Tornado ThreatsForecast Model Predicts 100% Chance Of 'Super' El Nino Forming This YearOver A Dozen Tornadoes Destroy Hundreds Of Homes Across MississippiCold Front Threatens Late Season Snow As Half The US Faces Severe StormsMore Tornadoes Spawn As Central US Deals With Sixth Day Of Severe WeatherSevere Storms Leave At Least 1 Dead As Millions Remain Under Weather Alerts