Event narrative (NOAA)
The Nemadji River gage, at Superior, normally between 4 and 5 feet, rose to 20 feet early in the morning of June 20th. The river reached a record stage of 27.91 feet at 100 AM on June 21st, then fell back below 20 feet about midnight the night of June 22nd. Most of the runoff, resulting in the high stages, came from excessively heavy rain on Carlton County MN flowing downstream. Many roads were flooded in Superior and surrounding areas from the flood of the river and the excessive rainfall. Many buildings at he University of Wisconsin in Superior (UWS) was flooded. Uninsured damage at UWS was $8-10 million. Damage to homes was estimated at $6.3 million. Damage to businesses was estimated at $4 million.
Other notable flood events in Wisconsin
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.