Aug 31, 2025
A slow-moving summer frontal system, in conjunction with occasional disturbances embedded within the northwest flow aloft, generated multiple rounds of thunderstorms both preceding and during the Labor Day weekend. The predominant hazard observed was flash flooding, attributed to the substantial rainfall produced by some of these storms.
Source: NOAA National Weather Service Storm Events Database (event 1290823). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Collin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.