Thunderstorm Wind, De Witt
- When
- May 11, 2:35 PM CST
- Where
- De Witt County
- Coordinates
- 40.220, -88.970
Hail and Damaging Winds in Illinois, May 11, 1987
8 hail, 4 thunderstorm wind, 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
- 2
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 12
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
8 hail, 4 thunderstorm wind. Local standard time, as filed.
Hail, Lake
- When
- May 11, 3:30 PM CST
- Where
- Lake County
- Measured
- 0.75 in hail
- Coordinates
- 42.420, -88.030
Hail, McHenry
- When
- May 11, 3:40 PM CST
- Where
- McHenry County
- Measured
- 1.75 in hail
- Coordinates
- 42.230, -88.620
Hail, Boone
- When
- May 11, 3:46 PM CST
- Where
- Boone County
- Measured
- 1.75 in hail
- Coordinates
- 42.250, -88.730
Hail, Kane
- When
- May 11, 4:11 PM CST
- Where
- Kane County
- Measured
- 0.75 in hail
- Coordinates
- 42.100, -88.530
Hail, Lee
- When
- May 11, 4:25 PM CST
- Where
- Lee County
- Measured
- 1 in hail
- Coordinates
- 41.830, -89.470
Hail, Peoria
- When
- May 11, 5:00 PM CST
- Where
- Peoria County
- Measured
- 1 in hail
- Coordinates
- 40.820, -89.750
Thunderstorm Wind, Lee
- When
- May 11, 5:00 PM CST
- Where
- Lee County
- Measured
- 61 kt (70 mph)
- Coordinates
- 41.730, -89.250
Hail, De Kalb
- When
- May 11, 5:02 PM CST
- Where
- De Kalb County
- Measured
- 1.75 in hail
- Coordinates
- 41.930, -88.750
Thunderstorm Wind, Cook
- When
- May 11, 5:10 PM CST
- Where
- Cook County
- Measured
- 52 kt (60 mph)
- Injuries
- 2 direct, 0 indirect
- Coordinates
- 41.830, -87.650
Hail, Fulton
- When
- May 11, 5:13 PM CST
- Where
- Fulton County
- Measured
- 1.75 in hail
- Coordinates
- 40.700, -90.000
Thunderstorm Wind, La Salle
- When
- May 11, 5:25 PM CST
- Where
- La Salle County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.350, -88.850
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
More
Every storm in Illinois in 1987Every state in 1987This day in weather historyWarnings in Illinois, May 1987
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: 10003670, 10003671, 10003672, 10003673, 10003674, 10003675, 10003676, 10003677, 10003678, 10003679, 10003680, 10003681.