Sep 19, 2025
A small but potent slow-moving thunderstorm dropped rainfall rates of 2 inches per hour for about 2 hours in a small area between Olmito and Rancho Viejo, about 11 miles north-northwest of downtown Brownsville. Minor flooding of 1 to 2 feet, mainly on poor drainage roads, was observed in the area.
Source: NOAA National Weather Service Storm Events Database (event 1295813). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cameron County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.