Heat Advisory issued August 25 at 1:34AM AST until August 25 at 5:00PM AST by NWS San Juan PR

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

Urgency: Expected

Certainty: Likely

Onset: 8/25/2026, 2:00:00 PM

Expires: 8/25/2026, 1:45:00 PM

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.

What To Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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. Monitor the latest forecasts and warnings for updates.

Other Active Heat Advisory Alerts

Heat Advisory issued August 25 at 12:51AM CDT until August 25 at 9:00PM CDT by NWS Fort Worth TX

Lamar; Delta; Hopkins; Van Zandt; Rains; Henderson; Freestone; Anderson; Bell; Falls; Limestone; Leon; Milam; Robertson

Heat Advisory issued August 25 at 12:36AM CDT until August 25 at 7:00PM CDT by NWS Houston/Galveston TX

Houston; Trinity; Madison; Walker; San Jacinto; Polk; Burleson; Brazos; Washington; Grimes; Montgomery; Northern Liberty; Colorado; Austin; Waller; Inland Harris; Chambers; Wharton; Fort Bend; Inland Jackson; Inland Matagorda; Inland Brazoria; Inland Galveston; Southern Liberty; Coastal Harris; Coastal Jackson; Coastal Matagorda; Coastal Brazoria; Coastal Galveston; Matagorda Islands; Brazoria Islands; Galveston Island; Bolivar Peninsula

Heat Advisory issued August 25 at 12:19AM CDT until August 25 at 8:00PM CDT by NWS Shreveport LA

Sevier; Howard; Little River; Hempstead; Miller; Lafayette; Caddo; Bossier; De Soto; Red River; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine

Heat Advisory issued August 25 at 12:09AM CDT until August 25 at 7:00PM CDT by NWS Norman OK

Harmon; Greer; Kiowa; Comanche; Stephens; Garvin; Murray; Pontotoc; Coal; Carter; Johnston; Atoka; Love; Marshall; Bryan; Hardeman; Foard; Knox; Baylor; Archer

Heat Advisory issued August 25 at 12:09AM CDT until August 25 at 7:00PM CDT by NWS Norman OK

Beckham; Washita; Caddo; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes

Source: National Weather Service.