Event narrative (NOAA)
The Mississippi River at Alton, IL remained at it's highest levels between the evening of June 2nd and the evening of June 12th. America's Central Port in Granite City sustained at least $11.25 million in damage from the river flooding. Overall, Madison County sustained at least $24.8 million from this river flood event.
Other notable 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.