Jul 8, 1999
One of the worst flash flood events this century inundated the Las Vegas Valley damaging roads and buildings, sweeping away vehicles and bringing the entire city almost to a standstill from late morning through late afternoon. Thunderstorms formed over the elevated west side of the valley and began dumping heavy rain between 10 and 11 a.m. PDT. The storms slowly drifted to the east producing rainfall amounts over 1.5 inches across a substantial part of the metro area and some localized amounts
Source: NOAA National Weather Service Storm Events Database (event 5715630). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Clark County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.