Thunderstorm Wind, Will
- When
- August 8, 5:55 AM CST
- Where
- Will County
- Measured
- 69 kt (79 mph)
- Coordinates
- 41.530, -88.100
Hail and Damaging Winds in Illinois, August 8, 1991
6 thunderstorm wind, 1 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 7
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.
Event by event
6 thunderstorm wind, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Clinton
- When
- August 8, 4:25 PM CST
- Where
- Clinton County
- Coordinates
- 38.600, -89.600
Thunderstorm Wind, St. Clair
- When
- August 8, 4:50 PM CST
- Where
- St. Clair County
- Coordinates
- 38.450, -90.080
Thunderstorm Wind, Randolph
- When
- August 8, 5:38 PM CST
- Where
- Randolph County
- Measured
- 52 kt (60 mph)
- Coordinates
- 38.220, -89.680
Thunderstorm Wind, Randolph
- When
- August 8, 6:40 PM CST
- Where
- Randolph County
- Coordinates
- 38.080, -89.930
Thunderstorm Wind, Randolph
- When
- August 8, 6:40 PM CST
- Where
- Randolph County
- Coordinates
- 37.900, -89.820
Hail, Jackson
- When
- August 8, 7:23 PM CST
- Where
- Jackson County
- Measured
- 0.75 in hail
- Coordinates
- 37.830, -89.400
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Hail in Kentucky, August 8, 1991
- Tornadoes and Hail in Indiana, August 8, 1991
- Hail and Damaging Winds in Ohio, August 8, 1991
- Hail and Damaging Winds in Florida, August 8, 1991
- Damaging Winds in Kansas, August 8, 1991
- Hail and Damaging Winds in Missouri, August 8, 1991
- Hail and Damaging Winds in Oklahoma, August 8, 1991
- Damaging Winds in North Carolina, August 8, 1991
- Hail in Colorado, August 8, 1991
- Damaging Winds in Iowa, August 8, 1991
- Damaging Wind in Arizona, August 8, 1991
- Hail in Texas, August 8, 1991
More
Every storm in Illinois in 1991Every state in 1991This day in weather historyWarnings in Illinois, August 1991
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: 10002858, 10002859, 10002860, 10002861, 10002862, 10002863, 10002864.