Aug 29, 2016
Scattered thunderstorms once again developed across northern Illinois on Monday, August 29th, bringing isolated very heavy rainfall amounts due to a moist atmosphere and slow storm motion. The locations hardest hit include along the I-90 corridor from Cherry Valley into the northwest Chicago metro, as well as some locations in Lee County near Amboy, and LaSalle County in and near Mendota and Triumph.
Source: NOAA National Weather Service Storm Events Database (event 659561). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Boone County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.