Which Parts of the U.S. Are Most at Risk on Monday?
Colors based on the National Weather Service HeatRisk scale, with 1 denoting risk only to sensitive populations and 4 showing areas with long-duration heat and little to no nighttime relief.
Colors based on the National Weather Service HeatRisk scale, with 1 denoting risk only to sensitive populations and 4 showing areas with long-duration heat and little to no nighttime relief.