On a sunny Saturday afternoon on the Hollywood Broadwalk, Rasheeda O’Neal sat on the ledge by the beach with an umbrella over her head, waiting for her flight home. “It’s burning up,” she said. O’Neal had come to South Florida from Michigan for a cruise, arriving last Saturday when it was a balmy 93 degrees. “I was expecting it to be hot,” she said, “but it’s a different type.” A record-breaking heat wave continues to envelop South Florida this week, with the heat index, or feels-like temperatures, between 105 and 110 degrees.