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.

Satellite heat maps expand that sort of observation to a big picture perspective of what we may feel as we move through the world that in Arizona often just ranges from hot, to really hot.

The NWS heat index maps show exactly where the worst of the heat is. New York, Boston, and Detroit on Monday and Tuesday are expecting “oppressive humidity” and “record warm morning lows,” meaning ...

Thirteen states in the East from Massachusetts to Kentucky are on alert for more extreme heat before the dangerous temperatures head to the West.

Health authorities in Oregon unveiled a heat map of the greater Portland area Wednesday, in the hope of avoiding deaths during the next excessive heat wave.

The maps—which are a collaboration between the NWS and the Centers for Disease Control and Prevention (CDC)—show the risk of heat-related impacts across the lower 48 states between August 2 ...

A map commissioned by the city shows the hottest neighborhoods in Portland.

A heat map from the National Weather Service (NWS) shows that on Wednesday more than half of the U.S. was experiencing minor impacts from unseasonably high temperatures, with roughly a dozen ...

A cool free tool creates a heat map of your Google Maps movement data in no time at all. You can immediately see where you spend most of your time and where you rarely go.