A heat advisory in effect for Duval, Coastal, Inland Region

• Duval, Coastal, Inland

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 705 PM EDT Thu Aug 20 2026 Inland Flagler-Coastal Duval-Eastern Clay-Eastern Putnam-Coastal Flagler-Western Clay-Northeast Coastal St. Johns-Western Putnam- South Central Duval-Southeast Coastal St. Johns-Northern Inland St. Johns-Southern Inland St. Johns-Western St. Johns- Including the cities of Ortega, Ponte Vedra Beach, Saint Augustine South, Anastasia, Green Cove Springs, Switzerland, Picolata, Saint Augustine Beach, Bakersville, Fruit Cove, Doctors Inlet, Jacksonville, Espanola, Arlington, Middleburg, Lakeside, Carraway, Palm Coast, Saint Augustine Shore, Bostwick, Andalusia, Tallyrand, Orange Park, Oceanway, Palm Valley, Dupont Center, Bellair, Riverside, San Marco, Palatka, Butler Beach, Saint Augustine, Bunnell, and Durbin 705 PM EDT Thu Aug 20 2026 ...HEAT ADVISORY FOR TODAY HAS EXPIRED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...A portion of northeast Florida. * WHEN...From 11 AM to 7 PM EDT Friday. * 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. 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. 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.