Alert · Weather · U.S. Virgin Islands

Weather Alert: Heat Advisory

USVI weather update: Heat Advisory issued July 7 at 1:25AM AST until July 7 at 5:00PM AST by NWS San Juan PR.

Alert
Moderate

Issued by NWS San Juan PR

Heat Advisory issued July 7 at 1:25AM AST until July 7 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 7, 2026, 1:25 AM AST
Begins
Jul 7, 2026, 10:00 AM AST
Ends
Jul 7, 2026, 5:00 PM AST

Official details

What

Heat index values expected to exceed 107 degrees.

Where

Portions of Puerto Rico, including Vieques and Culebra, and the U.S. Virgin Islands.

When

From 10 AM this morning to 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.

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.

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