Heat Advisory
Status
New Event Active alertStart Time
Tue 08/18/2026 11:00 AM EDTEnd Time
Tue 08/18/2026 07:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Miami, FL ∙ Hialeah, FL ∙ Pembroke Pines, FL ∙ Miramar, FL ∙ Hollywood, FL ∙ Fort Lauderdale, FL ∙ West Palm Beach, FL ∙ Pompano Beach, FL ∙ Coral Springs, FL ∙ Miami Gardens, FLFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Miami FL 1228 AM EDT Tue Aug 18 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...Heat index values of 105 to 112 expected. * WHERE...All of South Florida. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Technical Header
FLZ063-066>075-168-172>174-182300- /O.NEW.KMFL.HT.Y.0034.260818T1500Z-260818T2300Z/ 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-Far South Miami-Dade County- Including the cities of Brighton Seminole, Sunrise, North Blocks Golde, Greenacres City, Deerfield Beach, Ortona, Lion Country Safari Park, Miles City, Florida City, Belle Glade, Caloosa, Kendale Lakes, Pompano Beach, Lake Worth, Fortymile Bend, West Palm Beach, Hialeah, Boca Raton, Boynton Beach, North Naples, The Acreage, Miccosukee Indian Reservation, Miramar, Shark Valley Obs Tower, Redland, Kendall, Riviera Beach, Hollywood, Bonita Shores, Marco Island, Marco Island Airport, Mahogany Hammock, Pa-Hay Okee Overlook, Jupiter, Felda, Lakeport, Royal Palm Hammock, Pembroke Pines, Hendry Correctional, Fort Lauderdale, Orange Tree, Immokalee, Coral Springs, Wellington, Golden Gate, Bunker Hill, Palmdale, Buckhead Ridge, Clewiston, East Naples, Sawgrass Mills Mal, Carol City, Delray Beach, Florida Gardens, Davie, Muse, Sandalfoot Cove, Palm Beach Gardens, Naples, Northwest Cape Sable, Royal Palm Ranger, Moore Haven, Royal Palm Beach, Miami, and Sunniland 1228 AM EDT Tue Aug 18 2026
