Trujillo Alto Municipality, PR

Alerts

Advisory Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Saturday 09/19 4:35 PM AST – Saturday 09/19 5:30 PM AST

Issued by NWS San Juan PR

What

Urban area and small stream flooding caused by excessive rainfall is expected.

Where

Trujillo Alto County in Puerto Rico...

When

Until 530 PM AST.

Impacts

Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent.

Additional Details

- At 435 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - http://www.weather.gov/safety/flood

What to Do

Be aware of your surroundings and do not drive on flooded roads.


Areas Impacted

  • Trujillo Alto, PR

Tips to Stay Safe

A Flood Advisory is issued when flooding may cause significant inconvenience, or even become dangerous if you are not careful. Know your risk at home, work and school, and use caution when flooding is expected. 

  • Be aware of low-lying areas along your travel routes that are most likely to flood. 
  • Check road conditions before traveling, and obey road closures and barricades. 
  • Never walk, swim, or drive through flood waters. 
  • Stay tuned for local weather updates on the situation as it develops.

Briefings

No recent briefing available

From the Forecaster

Heat, Rain & T-Storms Ahead

Created by the NWS San Juan WFO

📅 19 de septiembre de 2026: Hot and humid conditions will continue before activity increases this afternoon. Slow-moving showers and a few thunderstorms may develop mainly across interior and western Puerto Rico. Those with outdoor plans should remain alert for changing weather conditions. | El tiempo permanecerá caluroso y húmedo antes de que aumente la actividad durante la tarde. Aguaceros de lento movimiento y algunas tormentas podrían desarrollarse principalmente sobre el interior y oeste de Puerto Rico. Las personas con planes al aire libre deben mantenerse atentas a cambios en las condiciones del tiempo.

...

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

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Weather Forecasting Office

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