


Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
679 FLCA42 TJSJ 270756 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 356 AM AST Sun Jul 27 2025 AMZ711>745-PRZ001>013-280800- San Juan and Vicinity-Northeast-Southeast-Eastern Interior- North Central-Central Interior-Ponce and Vicinity-Northwest- Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques- The nearshore and off shore Atlantic and Caribbean Coastal Waters- 356 AM AST Sun Jul 27 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes. There is a low chance of isolated flash floods. Elsewhere, plan for water ponding on roads and in poorly drained areas. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. .Wind...Breezy conditions (18-22 kts | 21-25 mph). Unsecured items could blow around. .DAYS TWO THROUGH SEVEN...Monday through Saturday Elevated flood risk is expected on Monday as another tropical wave moves through the region. Then, the elevated flood risk will return for the end of the week. Elevated heat risk is expected Monday onward. Breezy conditions and a low to moderate rip current risk will also persist. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ AMZ716-726-VIZ001-002-280800- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 356 AM AST Sun Jul 27 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes. There is a low chance of isolated flash floods. Elsewhere, plan for water ponding on roads and in poorly drained areas. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. .DAYS TWO THROUGH SEVEN...Monday through Saturday Limited flood risk is expected on Monday as another tropical wave moves through the region. Limited heat risk is expected Monday onward. Breezy conditions and a low to moderate rip current risk will also persist. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$