Alert · Weather · U.S. Virgin Islands

Weather Alert: Heat Advisory

USVI weather update: Heat Advisory issued July 27 at 10:26AM AST until July 27 at 5:00PM AST by NWS San Juan PR.

Alert
Moderate

Issued by NWS San Juan PR

Heat Advisory issued July 27 at 10:26AM AST until July 27 at 5:00PM AST by NWS San Juan PR

Issued by
NWS San Juan PR
Affected areas
San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Ponce and Vicinity; Northwest; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix
Severity
Moderate
Urgency
Expected
Certainty
Likely
Recommended response
Execute
Issued
Jul 27, 2026, 10:26 AM AST
Begins
Jul 27, 2026, 10:26 AM AST
Ends
Jul 27, 2026, 5:00 PM AST

Official details

What

This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration.

Where

Urban and coastal areas of Puerto Rico and U.S. Virgin Islands.

When

Until 5 PM AST this afternoon.

Impacts

Hot temperatures and high humidity may cause heat illnesses.

Safety instructions

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.

Illustrated USVI News weather alert graphic for the U.S. Virgin Islands.