Jul 17, 2025
A weak surface low developed along a stalled boundary near New Orleans on July 17, 2025, providing a focus for slow-moving thunderstorms. Heavy rainfall led to flash flooding across St. Charles Parish, where numerous streets in LaPlace, Destrehan, and New Sarpy were inundated. Broadcast media also reported stalled vehicles on Ormond Boulevard in Destrehan, and several homes in Luling took on about an inch of water.
Source: NOAA National Weather Service Storm Events Database (event 1286885). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in St. Charles County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.