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Alert · Weather · U.S. Virgin Islands

Weather Alert: Red Flag Warning

USVI weather update: Red Flag Warning issued June 19 at 2:15AM AST until June 19 at 4:00PM AST by NWS San Juan PR.

Published June 19, 2026 at 2:15 AM AST Updated June 19, 2026 at 2:30 AM AST U.S. Virgin Islands USVI News 0 likes 0 comments
Alert
Severe

Issued by NWS San Juan PR

Red Flag Warning issued June 19 at 2:15AM AST until June 19 at 4:00PM AST by NWS San Juan PR

Issued by
NWS San Juan PR
Affected areas
Southeast Coastal Plains; Southern Hills; West Coast; Vieques; Southwest Coastal Plains and Mona Island; Saint Croix
Severity
Severe
Urgency
Expected
Certainty
Likely
Recommended response
Prepare
Issued
Jun 19, 2026, 2:15 AM AST
Begins
Jun 19, 2026, 10:00 AM AST
Ends
Jun 19, 2026, 4:00 PM AST
Official NWS bulletinWeather.gov office

Official details

Affected Area

Portions of southern and western PR, Vieques and St Croix.

Wind

East to east-southeast at 15 to 23 mph, with stronger gusts around 30 mph.

Humidity

Relative humidity values from the mid 40 to low 50s.

Impacts

any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Safety instructions

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

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