# HEADLINE
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HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON
# SUMMARY
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San Juan and Vicinity-Northeast-Southeast-Eastern Interior-North Central-Central Interior-Ponce and Vicinity-Northwest-Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques- St.Thomas...St. John...and Adjacent Islands-St Croix- Including the cities of Cruz Bay, Lares, Orocovis, Utuado, Yauco, San Juan, Jayuya, Corozal, Aguada, Charlotte Amalie West, Hormigueros, Carolina, Rio Grande, Las Piedras, Humacao, Fajardo, Maunabo, Charlotte Amalie East, San Sebastian, Aguadilla, Morovis, Juana Diaz, Frederiksted, Dorado, Manati, Villalba, Guaynabo, Vega Alta, Hatillo, Ceiba, Vega Baja, Yabucoa, Trujillo Alto, Moca, Coamo, Mayaguez, Salinas, Adjuntas, Charlotte Amalie, Sabana Grande, Luquillo, Guanica, Canovanas, Grove Place, Ciales, Santa Isabel, Christiansted, Las Marias, Cidra, Patillas, Toa Baja, Aguas Buenas, Guayama, Culebra, Rincon, Guayanilla, Quebradillas, Gurabo, Barceloneta, San German, Maricao, Anasco, Comerio, Lajas, Cabo Rojo, San Lorenzo, Anna's Retreat, Aibonito, Frederiksted Southeast, Barranquitas, Cayey, Penuelas, Caguas, Juncos, Naranjito, Ponce, Camuy, Isabela, Arecibo, Vieques, Naguabo, Florida, Arroyo, Toa Alta, Loiza, Catano, and Bayamon 1003 AM AST Tue Oct 27 2026
# DETAILS
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WHAT
This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration.
WHERE
Portions of Puerto Rico and Virgin Islands.
WHEN
Until 5 PM AST this afternoon.
IMPACTS
High temperatures or elevated heat indices can worsen symptoms in people with chronic conditions. They can also increase the risk of heat-related illness among individuals sensitive to heat with inadequate cooling or hydration. These risks are highest across coastal areas, lowlands, interior valleys, and urban zones.
ISSUED AT
Tuesday, October 27, 2026 at 10:03 AM AST
ISSUED BY
National Weather Service San Juan PR
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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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.