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Heat Advisory

Status

Event Extended (Time) Active alert

Start Time

Thu 08/13/2026 10:00 AM EDT

End Time

Thu 08/13/2026 08:00 PM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Orlando, FL ∙ Port Saint Lucie, FL ∙ Palm Bay, FL ∙ Deltona, FL ∙ Melbourne, FL ∙ Daytona Beach, FL ∙ Kissimmee, FL ∙ Port Orange, FL ∙ Sanford, FL ∙ Port Sewall, FL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Melbourne FL 109 AM EDT Thu Aug 13 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 108 to 112 expected. * WHERE...A portion of east central Florida. * WHEN...From 10 AM this morning to 8 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. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Technical Header

FLZ041-044>046-053-058-141-144-154-159-164-247-254-259-264-347-447- 547-647-747-140000- /O.EXT.KMLB.HT.Y.0015.260813T1400Z-260814T0000Z/ Inland Volusia-Northern Lake-Orange-Seminole-Osceola-Okeechobee- Coastal Volusia-Southern Lake-Coastal Indian River-Coastal Saint Lucie-Coastal Martin-Inland Northern Brevard-Inland Indian River- Inland Saint Lucie-Inland Martin-Mainland Northern Brevard- Northern Brevard Barrier Islands-Inland Southern Brevard-Mainland Southern Brevard-Southern Brevard Barrier Islands- Including the cities of Saint Lucie West, Fort Drum, Leesburg, Port Saint John, Satellite Beach, Saint Cloud, Deland, Mims, Basinger, Daytona Beach, Clermont, Cocoa, Okeechobee, Melbourne, Casselberry, Altamonte Springs, Cocoa Beach, Winter Springs, Kissimmee, Palm Bay west of I 95, Apopka, New Smyrna Beach, Fellsmere, Orlando, Mount Dora, Union Park, Debary, Merritt Island Wildlife Refuge, Groveland, Stuart, Vero Beach, Indiantown, Ormond Beach, Jensen Beach, Canaveral Groves, Playalinda Beach, Sanford, Deltona, Celebration, Fort Pierce, Eustis, Mascotte, Viera West, Melbourne Beach, Maitland, Titusville, Oviedo, Rockledge, Port Saint Lucie, Winter Park, Sebastian, Tradition, Hobe Sound, and Tavares 109 AM EDT Thu Aug 13 2026