Event narrative (NOAA)
One person passed away from heat related causes near Osseo. The victim fell outside and was unable to get up on a day with full sunshine and when the heat index approached 100 at the automated weather observing equipment at the Black River Falls airport. Air temperatures topped out between 90 and 95.
Other notable heat 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.