# HEADLINE
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HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON
# SUMMARY
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Culebra-Vieques-St.Thomas...St. John...and Adjacent Islands-St Croix- Including the cities of Anna's Retreat, Frederiksted Southeast, Frederiksted, Vieques, Charlotte Amalie East, Charlotte Amalie, Charlotte Amalie West, Grove Place, Culebra, Christiansted, and Cruz Bay 209 AM AST Sun Sep 6 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
In Puerto Rico, Culebra and Vieques. In Virgin Islands, St Croix and St. Thomas, St. John, and Adjacent Islands.
WHEN
From 10 AM this morning to 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
Sunday, September 6, 2026 at 2:09 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.
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.