Mar 27, 2025
Several rounds of showers and thunderstorms pummeled the Lower Rio Grande Valley, especially during the afternoon and overnight hours of March 27th into early on March 28th, resulting in historic seasonal rainfall and widespread flash and areal flooding across the RGV. Total rainfall ranged from 8 to nearly 19 inches based on trusted observations, with 10 inches or more falling across some of the highest populated locations from south McAllen through the south side of Interstate Highway 2 in Hi
Source: NOAA National Weather Service Storm Events Database (event 1249939). 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.