Excessive Heat — Madison, Illinois
2011-07-17 to 2011-07-31 · Madison, Illinois
2
Direct deaths
Wider weather episode
A major Heat Wave hit the area from July 17th and continued into early August. High temperatures ranged from the lower 90s to around 100. Low temperatures at night were generally around 80. The Heat Index ranged from around 105 to 115. There were four deaths reported. Two in St. Clair County and two in Madison County.
Source: NOAA Storm Events Database, event_id 372720. Narrative written by the NWS forecast office that issued the report.