Event narrative (NOAA)
Up to four inches of rain fell causing flash flooding. Numerous roads were flooded. In Grafton, a 42 year old woman was walking home, possibly intoxicated. She was last seen on North Cedar Street at about 11 pm on December 26th, 2015. Authorities suspected she tried to cross a flooded roadway near a creek and was swept out to the Mississippi River and drowned. Her body was finally located March 10th, 2016 about 6 miles downstream. Cause of death was accidental drowning.
Other notable flash flood events in Illinois
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.