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Alert · Weather · U.S. Virgin Islands

Weather Alert: Extreme Heat Warning

USVI weather update: Extreme Heat Warning issued July 30 at 10:04AM AST until July 30 at 5:00PM AST by NWS San Juan PR.

Published July 30, 2026 at 10:04 AM AST Updated July 30, 2026 at 10:15 AM AST U.S. Virgin Islands USVI News 0 likes 0 comments
Alert
Severe

Issued by NWS San Juan PR

Extreme Heat Warning issued July 30 at 10:04AM AST until July 30 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
Severe
Urgency
Expected
Certainty
Likely
Recommended response
Execute
Issued
Jul 30, 2026, 10:04 AM AST
Begins
Jul 30, 2026, 10:04 AM AST
Ends
Jul 30, 2026, 5:00 PM AST
Official NWS bulletinWeather.gov office

Official details

What

Dangerously hot conditions. 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

Heat related illnesses increase significantly during extreme heat and high humidity events.

Safety instructions

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.

Stay cool, stay hydrated, stay informed.

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