Flash Flood Warning Issued for Western Puerto Rico Municipalities
This alert is no longer in effect.
NOAA issued it on April 13, 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.
A Flash Flood Warning is in effect for Cabo Rojo, Hormigueros, Maricao, Mayaguez, Sabana Grande, and San German in Puerto Rico until 3:15 PM AST on April 13, 2026, due to heavy rain from thunderstorms.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Western Puerto Rico
- Issued
- April 13, 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 Western Puerto Rico.
Alert Details
A Flash Flood Warning has been issued by NWS San Juan PR. It is effective from 12:23 PM AST on April 13, 2026.
Affected Areas
The warning affects the following areas in Puerto Rico: Cabo Rojo, Hormigueros, Maricao, Mayaguez, Sabana Grande, and San German.
What You Should Do
Turn around and do not drive through flooded roads. Report any observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when it is safe to do so.
Expected Conditions
Thunderstorms are producing heavy rain, with between 1 and 3 inches already fallen and additional 1 to 3 inches possible, leading to flash flooding of small creeks, streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from 12:23 PM AST on April 13, 2026, and expires at 3:15 PM AST on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (929 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 13, 2026.
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