Excessive Heat — Peoria, Illinois

2023-07-27 to 2023-07-28 · Peoria, Illinois

Event narrative

A two-day stretch of dangerous heat and humidity occurred across the Midwest as high temperatures climbed into the 90s while dewpoints were in the upper 70s or low 80s. In Peoria County, Peoria International Airport recorded high temperatures of 98 degrees on both July 27 and July 28, a maximum dewpoint of 82 degrees on July 27, and a maximum heat index of 110 degrees on July 27. A 53 year old woman in Peoria was found deceased in her apartment on July 27. She had pre-existing health conditions and the electricity had been shut off since July 7, so there was no air conditioning present.

Wider weather episode

A two-day stretch of excessive heat impacted much of the Midwest, including all of central and southeastern Illinois. High temperatures climbed into the 90s while dewpoint temperatures were in the upper 70s or low 80s, resulting in heat indices of 100 to 115 degrees. One direct fatality was reported in Peoria County as a result of the excessive heat.

Source: NOAA Storm Events Database, event_id 1109732. Narrative written by the NWS forecast office that issued the report.