The National Weather Service has expanded its HeatRisk map nationally, in time for Memorial Day weekend. The map predicts heat risk for the next seven days, with a color-coded map to simplify the ...

Temperatures can vary widely across a city, even in the same neighborhood. As the climate heats up, volunteers in Missoula ...

A new UCLA mapping tool alerts Los Angeles County residents of extreme-heat danger in their neighborhoods.

The U.S. has contended with unrelenting temperatures this summer, and a map from NASA paints a dire picture of the scale of those persistent heat waves.

Now, Spokane is among 14 cities that will measure and map "urban heat islands" this summer, with the help of specialized equipment from the National Oceanic and Atmospheric Administration.

NASA is helping Prince George’s County identify its worst urban heat islands by tailoring satellite data to identify areas most prone to extreme heat.

An area of unincorporated Gwinnett County near Norcross is among 18 global communities selected to take part this summer in a program to map areas of extreme heat, the leading cause of weather ...

The data showing Oklahoma City's worst areas of extreme heat will likely influence city planning and public policy for years to come.

A heat map from the National Weather Service (NWS) shows that several parts of Florida are under the highest heat warning possible as meteorologists issued heat advisories on Friday.