South Florida is no stranger to the heat, nor the constant heat advisories issued by the National Weather Service. But a warning issued Saturday about the weather calls for a bit more concern. Miami-Dade and Broward counties are under an “excessive heat warning” expected to last until 6 p.m, according to the NWS.

In Miami-Dade and Broward, the NWS warns that high heat levels will run from 10 a.m. to 6 p.m. Temperatures are expected to stay between 85 and 90 degrees, but when you mix in humidity the “feels-like” temperature is expected to shoot up to 109.

Another hot day is forecast for Central Florida on Saturday, the National Weather Service said. A heat advisory has been issued across the south of the area for peak heat index values up to

An “unseasonably” hot Saturday is in store for all of South Florida just eight days before the beginning of fall, forecasters say.