Headline:
Heat Advisory issued August 20 at 1:34AM AST until August 20 at 5:00PM AST by NWS San Juan PR
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 19, 2026 - 10:34pm
Expires:
August 20, 2026 - 10:45am
Description:
* 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.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Area Description:
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
Forcast Office:
NWS San Juan PR
Sender:
w-nws.webmaster@noaa.gov