Forget about any worries of tropical weather today. Instead pay attention to the heat: temperatures in Jacksonville could feel as high as 113 degrees.

Temperatures are expected to moderate Friday, with mostly sunny skies and a high of about 84 degrees, the National Weather Service said.

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.