Puerto Rico Flash Flood Warning - Severe | Effective 05/23/2026 11:01

Headline: 
Flash Flood Warning issued May 23 at 2:01PM AST until May 23 at 5:00PM AST by NWS San Juan PR
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
May 23, 2026 - 11:01am
Expires: 
May 23, 2026 - 2:00pm
Description: 
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Mayaguez County in Puerto Rico... * Until 500 PM AST. * At 201 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 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.
Area Description: 
Mayaguez, PR
Forcast Office: 
NWS San Juan PR