Flash Flood — Cumberland, Illinois

2022-08-09 · near Lake Mattoon, Cumberland, Illinois

Event narrative

Water was flowing across the road in spots along Route 121 between Toledo and Mattoon.

Wider weather episode

A cluster of thunderstorms developed in the evening near the I-70 corridor ahead of a slow moving cold front. These thunderstorms produced heavy rain and isolated flash flooding across southeast Illinois, with some locations observing rainfall rates that exceeded 2 inches per hour. An additional cluster of thunderstorms moved across the same areas early on the morning of August 9th, producing more flooding.

View location on OpenStreetMap → (39.3726, -88.3964)

Source: NOAA Storm Events Database, event_id 1052238. Narrative written by the NWS forecast office that issued the report.