Flash Flood Warning Issued for San Juan, Carolina, Loiza, and Trujillo Alto Through Sunday Morning
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Flash Flood Warning for parts of Puerto Rico as heavy rainfall triggers immediate flooding concerns in urban and low-lying areas.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Northeastern Puerto Rico
- Issued
- April 6, 2026
- Issuing authority
- NWS San Juan PR
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Northeastern Puerto Rico.
Alert Details
The National Weather Service in San Juan has issued a Flash Flood Warning for several municipalities in Puerto Rico. The alert was triggered after Doppler radar indicated heavy rain across the region, making flash flooding likely or already ongoing.
Affected Areas
The following geographic regions in Puerto Rico are under the warning:
- San Juan
- Carolina
- Loiza
- Trujillo Alto
What You Should Do
Residents and travelers in the affected areas should follow these safety instructions:
- Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
- Avoid low-lying areas, underpasses, and streets with poor drainage.
- Be aware that some roads are already collecting water from several rounds of showers and may become impassable.
Expected Conditions
According to the National Weather Service, the following conditions are present or expected:
- Rainfall Totals: Between 1 and 2 inches of rain have already fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area.
- Hazards: Flash flooding of small creeks and streams, urban areas, highways, and streets.
- Source: Radar indicated.
Timeline
The Flash Flood Warning is effective as of 3:53 AM AST and is currently set to expire at 7:00 AM AST on February 15, 2026.
Original source: NOAA Official Notice ↗
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