


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
425 WWCA72 TJSJ 241345 NPWSJU URGENT - WEATHER MESSAGE National Weather Service San Juan PR 945 AM AST Sun Aug 24 2025 PRZ001>005-007-008-010-011-242100- /O.CON.TJSJ.XH.W.0005.250824T1400Z-250824T2100Z/ San Juan and Vicinity-Northeast-Southeast-Eastern Interior-North Central-Ponce and Vicinity-Northwest-Mayaguez and Vicinity- Southwest- Including the cities of San Lorenzo, Isabela, Guanica, Juncos, San Juan, Naguabo, Comerio, Dorado, Las Piedras, Hatillo, Loiza, Lajas, Rincon, Maunabo, Guaynabo, Arecibo, Humacao, Arroyo, Vega Baja, Trujillo Alto, Guayama, Yabucoa, Caguas, Quebradillas, Barceloneta, San German, Fajardo, Gurabo, Cidra, Cabo Rojo, Yauco, Ponce, Manati, Canovanas, Bayamon, Carolina, Mayaguez, Juana Diaz, Santa Isabel, Aguadilla, Anasco, Toa Baja, Hormigueros, Penuelas, Florida, Aguas Buenas, Guayanilla, Moca, Toa Alta, Salinas, Cayey, Ceiba, Catano, Patillas, Vega Alta, Aguada, Rio Grande, Luquillo, and Camuy 945 AM AST Sun Aug 24 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON... * WHAT...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure. * WHERE...All coastal and urban areas, as well as the valleys of the eastern interior. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. && $$ PRZ012-013-VIZ001-002-242100- /O.CON.TJSJ.HT.Y.0044.250824T1400Z-250824T2100Z/ Culebra-Vieques-St.Thomas...St. John...and Adjacent Islands-St Croix- Including the cities of Charlotte Amalie, Grove Place, Charlotte Amalie East, Christiansted, Culebra, Anna`s Retreat, Vieques, Frederiksted Southeast, Cruz Bay, Frederiksted, and Charlotte Amalie West 945 AM AST Sun Aug 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON... * WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...In Puerto Rico, Culebra and Vieques Counties. In Virgin Islands, St Croix and St. Thomas, St. John, and Adjacent Islands Counties. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DSR