A risk heat map plots risk points on a grid. The horizontal axis measures the impact of the risk, and the vertical axis measures the frequency of occurrence. If business leaders plot a risk close to ...

CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

The US South is used to heat, but it's going to be dangerously hot this week. Memphis, for example, will see highs in the middle to upper 90s with a heat index between 110-115 degrees Fahrenheit ...

Many of these areas are under Heat Advisories, Excessive Heat Warnings, and Excessive Heat Watches, with "dangerously hot conditions" forecast, according to the NWS.. The maps show that, on August ...

Four states are at risk for extreme heat-related impacts on Thursday, according to a map by the National Weather Service (NWS) HeatRisk. The extreme heat comes as the NWS has issued a slew of heat ...