Heat in Monroe, Illinois
Heat July 18, 1999 – July 31, 1999 · Monroe, Illinois
6
Injuries
The wider storm
A heat wave gripped the region the last 2 weeks of July. Temperatures remained in the middle to upper 90s with a few days topping 100 degrees. The Heat Index ranged from 105 to near 115 degrees. Most of the deaths and injuries occurred in the Metro East area of St. Louis, primarily Madison and St. Clair counties.
Source: NOAA Storm Events Database, event 5710198. Narratives are written by the National Weather Service forecast office that issued the report.
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