May 19, 2006
A severe thunderstorm moved through portions of Nez Perce County and hit Lewiston, causing several problems. Very heavy rain caused standing water of one to three feet over some of the roads through downtown, leading to flooding of many shop basements and main floors. The flash flood also began to move a vehicle that was parked on the street. An unofficial rain gauge measured one inch of rain between 2:45 and 3:00 PM. Meanwhile, strong winds caused power lines and trees to blow down at nume
Source: NOAA National Weather Service Storm Events Database (event 5509117). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Nez Perce County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.