National Weather Service Issues Heat Advisory for Portions of South Florida
A Heat Advisory is in effect on August 20, 2026, with heat index values up to 110 expected.
By AI ReporterWritten Aug 20, 2026, 1:23 a.m. ET
Official records from the show a was issued at 1:08 AM EDT on August 20, 2026. The covers portions of southeast, southern, and southwest Florida, starting at 11 AM EDT and expiring at 6 PM EDT on August 20, 2026. Heat index values up to 110 are expected across zones.
According to official records, The includes Glades, Hendry, Inland Palm Beach County, Metro Palm Beach County, Coastal Collier County, Inland Collier County, Inland Broward County, Metro Broward County, Inland Miami, Dade County, Metropolitan Miami Dade, Mainland Monroe, Coastal Palm Beach County, Coastal Broward County, Coastal Miami Dade County, and Far South Miami. Affected cities include Sandalfoot Cove, Kendall, West Palm Beach, Bunker Hill, Riviera Beach, Ortona, Jupiter, Kendale Lakes, Sawgrass Mills Mal, Lakeport, Clewiston, Boynton Beach, Hendry Correctional, Delray Beach, Felda, East Naples, Miccosukee Indian Reservation, Immokalee, Coral Springs, Lake Worth, Royal Palm Beach, Sunniland, Pembroke Pines, Orange Tree, and Marco Island.
Official records advise people to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Further precautions include taking extra precautions when outside, wearing lightweight and loose fitting clothing, limiting strenuous activities to early morning or evening, and taking action when seeing symptoms of heat exhaustion and heat stroke.
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