Friday has another heat advisory beginning at 11 a.m. and ending at 8 p.m.
Temperatures peak around 98 degrees with heat index values up to 104 degrees, according to NWS Melbourne.
Isolated to scattered showers and lightning storms are forecast this in the afternoon across the interior and Treasure Coast.
Hazards include frequent lightning, wind gusts up to 55 mph, with chance of an isolated gusts peaking at 60 mph, and heavy rainfall.
There is a moderate risk for rip currents at area beaches.