Florida Moderate Heat Advisory | Effective 06/17/2026 22:02

Headline: 
Heat Advisory issued June 18 at 1:02AM EDT until June 18 at 7:00PM EDT by NWS Melbourne FL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 17, 2026 - 10:02pm
Expires: 
June 18, 2026 - 4:00pm
Description: 
* WHAT...Heat index values up to 110 expected. * WHERE...Coastal Indian River, Coastal Martin, Coastal Saint Lucie, Coastal Volusia, Inland Indian River, Inland Martin, Inland Northern Brevard, Inland Saint Lucie, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Okeechobee, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
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.
Area Description: 
Inland Volusia; Northern Lake County; Orange; Seminole; Osceola; Okeechobee; Coastal Volusia; Southern Lake County; Coastal Indian River; Coastal St. Lucie; Coastal Martin; Inland Northern Brevard; Inland Indian River; Inland St. Lucie; Inland Martin; Mainland Northern Brevard; Northern Brevard Barrier Islands; Inland Southern Brevard; Mainland Southern Brevard; Southern Brevard Barrier Islands
Forcast Office: 
NWS Melbourne FL