Excessive Heat — Greene, Illinois

2023-08-20 to 2023-08-25 · Greene, Illinois

Event narrative

A period of very hot and extremely humid weather began on Sunday, August 20 and lasted through Friday, August 25. Heat index values climbed to 110 to 120 degrees each day as measured by numerous reporting sites across the region.

Wider weather episode

A period of very hot and extremely humid weather began on Sunday, August 20 and lasted through Friday, August 25. Although the temperature rarely threatened climatological records, the humidity caused the heat index to reach extreme levels. The combination of heat and humidity led to several heat related illnesses across the region.

Source: NOAA Storm Events Database, event_id 1143317. Narrative written by the NWS forecast office that issued the report.