Flash Flood Warning Issued for Cabo Rojo and Surrounding Areas in Puerto Rico
This alert is no longer in effect.
NOAA issued it on April 17, 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, Mayaguez, and San German in Puerto Rico until 4:45 PM AST on April 17, 2026, due to heavy rainfall causing potential flash flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Western Puerto Rico
- Issued
- April 17, 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.
Flash Flood Warning in Puerto Rico
Residents in western Puerto Rico are urged to take immediate action as a severe weather alert has been issued.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in San Juan, PR. It is effective from 1:40 PM AST until 4:45 PM AST on April 17, 2026.
Affected Areas
The warning impacts Cabo Rojo, Hormigueros, Mayaguez, and San German in Puerto Rico.
What You Should Do
Turn around and do not drive through flooded roads, as most flood deaths occur in vehicles.
Expected Conditions
Thunderstorms are producing heavy rain, with 1 to 2.5 inches already fallen and an additional 1 to 2 inches possible, leading to flash flooding in small creeks, urban areas, highways, streets, underpasses, and low-lying areas.
Timeline
The alert is effective from 1:40 PM AST and will expire at 4:45 PM AST on April 17, 2026.
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 (896 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 17, 2026.
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Common questions about this NWS weather alert.