As temperatures rise, CNN is tracking extreme heat conditions and ... high temperature records. This map highlights locations across the continental United States where temperatures exceeded ...

Heat islands can run 17 degrees F hotter than a city’s cooler areas. Studying them now may yield ideas for mitigating future warming. ByRyan Morris and Ryan Williams This story appears in the ...

A heat map from the National Weather Service ... stormy weather across much of the United States and the South, even with overall warmer-than-normal temperatures. So far, that forecast has held ...