Forecasters have issued a heat advisory for Friday in Miami-Dade, Broward and Palm Beach counties, with temperatures expected to feel like 105 to 111 degrees.
The advisory is in effect from 11 a.m. to 6 p.m.
While actual air temperatures will stay in the 90s, the mix of humidity and temperature, known as the heat index, will make it seem hotter — and more dangerous…