Flash Flood Warning Puerto Rico | Effective 03/25/2026 01:33

Headline: 
Flash Flood Warning issued March 25 at 4:33AM AST until March 25 at 7:00AM AST by NWS San Juan PR
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 25, 2026 - 1:33am
Expires: 
March 25, 2026 - 4:00am
Description: 
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Bayamon County in Puerto Rico... Toa Alta County in Puerto Rico... * Until 700 AM AST. * At 433 AM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 4 inches of rain have fallen. Additional rainfall amounts up to 1 inch 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. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Bayamon, PR; Toa Alta, PR
Forcast Office: 
NWS San Juan PR