Alert · Weather · U.S. Virgin Islands

Weather Alert: Heat Advisory

USVI weather update: Heat Advisory issued August 5 at 1:27AM AST until August 5 at 5:00PM AST by NWS San Juan PR.

Alert
Moderate

Issued by NWS San Juan PR

Heat Advisory issued August 5 at 1:27AM AST until August 5 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
Aug 5, 2026, 1:27 AM AST
Begins
Aug 5, 2026, 10:00 AM AST
Ends
Aug 5, 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. expected.

Where

Portions of Puerto Rico and 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.

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