Flash Flood Warning Severe Puerto Rico | Effective 03-24-2026 20:58

Headline: 
Flash Flood Warning issued March 24 at 11:58PM AST until March 25 at 2:00AM AST by NWS San Juan PR
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 24, 2026 - 8:58pm
Expires: 
March 24, 2026 - 11:00pm
Description: 
FFWSJU The National Weather Service in San Juan has extended the * Flash Flood Warning for... Bayamon County in Puerto Rico... Guaynabo County in Puerto Rico... Toa Alta County in Puerto Rico... * Until 200 AM AST. * At 1158 PM AST, Doppler radar indicated heavy rain across the warned area. Between 3 and 5 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...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 2:00 AM AST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 2:00 AM AST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Bayamon, PR; Guaynabo, PR; Toa Alta, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov