Weather Alerts For Marco Island, FL

# HEADLINE -------------------- HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT THIS EVENING FOR COLLIER COUNTY # DETAILS -------------------- WHAT Heat index values up to 110 expected across Collier County. WHERE Coastal Collier County and Inland Collier County Counties. WHEN From 11 AM this morning to 6 PM EDT this evening. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Monday, August 10, 2026 at 2:38 AM EDT ISSUED BY National Weather Service Miami FL HEADER URGENT - WEATHER MESSAGE # 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. # AREAS AFFECTED -------------------- Coastal Collier County, Inland Collier County Including the cities of North Blocks Golde, Bunker Hill, Sunniland, Orange Tree, Immokalee, Miles City, Naples, East Naples, Marco Island, Bonita Shores, Golden Gate, Marco Island Airport, North Naples, and Royal Palm Hammock