Puerto Rico Severe Extreme Heat Warning | Effective 07/29/2026 08:30

Headline: 
Extreme Heat Warning issued July 29 at 11:30AM AST until July 29 at 5:00PM AST by NWS San Juan PR
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 29, 2026 - 8:30am
Expires: 
July 29, 2026 - 2:00pm
Description: 
* WHAT...Dangerously hot conditions. This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Urban and coastal areas of Puerto Rico. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov