Free third-party tool shows heat map. But with the Google Maps location data from Android smartphones, something else is possible: You can see at a glance where you have been particularly often ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

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 ...

The National Weather Service has created a countrywide map that shows when you might be most at risk of suffering with the heat ...

Use this interactive map to explore the country and see how vulnerable the population near you is to extreme heat spikes. The map shows risk levels down to the local level and uses Census Bureau ...

Heat wave roasting East Coast this week 02:21. 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.

In Illinois, the National Weather Service issues an extreme heat advisory when the heat index — a measure combining air temperature and humidity — is expected to reach at least 105 degrees and ...

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 ...