Illinois, 1996

Heat in Illinois, August 5 to 7, 1996

August 5 to 7, 1996 · NWS LOT · 1 event in 1 county or zone

Three days of heat indices above 100 degrees, contributed to 4 deaths in Chicago and one in Elmwood Park. On the 5th the high temperature at O'Hare was 89 and Midway was 90 and the heat index was 100 at both locations.

The toll

Deaths
5
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LOT wrote it up.

Three days of heat indices above 100 degrees, contributed to 4 deaths in Chicago and one in Elmwood Park. On the 5th the high temperature at O'Hare was 89 and Midway was 90 and the heat index was 100 at both locations. On the 6th the temperature at O'Hare was 89 with a maximum heat index of 104 and Midway was 93 with a heat index of 106. On the 7th O'Hare was 92 with the heat index 104 and Midway was 93 with the heat index 106.

Event by event

1 heat. Local standard time, as filed.

Heat, Cook

When
August 5, 12:00 PM CST to August 7, 6:00 PM CST
Where
Cook forecast zone
Deaths
5 direct, 0 indirect

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Heat, Cook1996-08-0770FemalePermanent HomeDirect
Heat, Cook1996-08-0772MalePermanent HomeDirect
Heat, Cook1996-08-0763MalePermanent HomeDirect
Heat, Cook1996-08-0884FemalePermanent HomeDirect
Heat, Cook1996-08-0968MalePermanent HomeDirect

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 1996Every state in 1996This day in weather historyWarnings in Illinois, August 1996

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5563383.