ST. LOUIS — St. Louis is expecting its hottest temperatures of the summer this week, but not all 100-degree days are created equal. Things like humidity, cloud cover and wind can all make the weather ...

AUSTIN (KXAN) – With blistering heat this summer, you’ve likely heard a few people say “it’s not the head, it’s the humidity.” Turns out both things are true: it’s called the Heat Index. The heat ...