Dangerous conditions continue across Florida Tuesday, July 29, with most of the state under either extreme heat warnings or heat advisories.

The sweltering summer weather persists across South Florida, as forecasters have issued a heat advisory for Saturday in Miami-Dade, Broward and Palm Beach counties. Temperatures are expected to feel as hot as 109 degrees.

The advisory is in effect until 7 p.m. tonight for all of South Florida except coastal Collier and mainland Monroe counties.