San Antonio braces for high heat with temperatures nearing 100 degrees and heat indices possibly exceeding that.

As forecast by the National Weather Service, Tuesday will feature mostly sunny skies with temperatures only reaching into the upper 70s and low 80s. However, those relatively tame temperatures will ...

Chicago's in for a scorcher. An Extreme Heat Watch is in effect Wednesday through Thursday. Here's how to stay safe.

San Diegans can expect cool temperatures and below-average highs due to a deep marine layer, per NWS San Diego.