Puerto Rico Flash Flood Warning | Effective 04/13/2026 09:23

Headline: 
Flash Flood Warning issued April 13 at 12:23PM AST until April 13 at 3:15PM AST by NWS San Juan PR
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 13, 2026 - 9:23am
Expires: 
April 13, 2026 - 12:15pm
Description: 
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Northern Cabo Rojo in Puerto Rico... Hormigueros in Puerto Rico... Maricao in Puerto Rico... Mayaguez in Puerto Rico... Sabana Grande in Puerto Rico... San German in Puerto Rico... * Until 315 PM AST. * At 1223 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Cabo Rojo, PR; Hormigueros, PR; Maricao, PR; Mayaguez, PR; Sabana Grande, PR; San German, PR
Forcast Office: 
NWS San Juan PR