Illinois, 1987

Hail and Damaging Winds in Illinois, August 3, 1987

August 3, 1987 · NWS CHI · 13 events in 11 counties and zones

12 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
13

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

12 thunderstorm wind, 1 hail. Local standard time, as filed.

Hail, Henry

When
August 3, 1:45 PM CST
Where
Henry County
Measured
1.5 in hail
Coordinates
41.480, -90.350

Thunderstorm Wind, Whiteside

When
August 3, 2:00 PM CST
Where
Whiteside County
Coordinates
41.820, -89.970

Thunderstorm Wind, Rock Island

When
August 3, 2:00 PM CST
Where
Rock Island County
Coordinates
41.620, -90.330

Thunderstorm Wind, White

When
August 3, 2:28 PM CST
Where
White County
Coordinates
37.980, -88.320

Thunderstorm Wind, White

When
August 3, 2:50 PM CST
Where
White County
Coordinates
38.170, -88.070

Thunderstorm Wind, McHenry

When
August 3, 4:17 PM CST
Where
McHenry County
Measured
53 kt (61 mph)
Coordinates
42.320, -88.450

Thunderstorm Wind, Morgan

When
August 3, 6:50 PM CST
Where
Morgan County
Measured
52 kt (60 mph)
Coordinates
39.730, -90.230

Thunderstorm Wind, Jersey

When
August 3, 6:56 PM CST
Where
Jersey County
Coordinates
39.080, -90.320

Thunderstorm Wind, Greene

When
August 3, 6:56 PM CST
Where
Greene County
Coordinates
39.370, -90.330

Thunderstorm Wind, Madison

When
August 3, 7:05 PM CST
Where
Madison County
Coordinates
38.950, -90.180

Thunderstorm Wind, Sangamon

When
August 3, 7:30 PM CST
Where
Sangamon County
Coordinates
39.670, -89.700

Thunderstorm Wind, Sangamon

When
August 3, 8:12 PM CST
Where
Sangamon County
Coordinates
39.850, -89.470

Thunderstorm Wind, Fayette

When
August 3, 9:00 PM CST
Where
Fayette County
Coordinates
38.970, -89.100

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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.

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, August 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: 10005961, 10005962, 10005963, 10005964, 10005965, 10005966, 10005967, 10005968, 10005969, 10005970, 10005971, 10005972, 10005973.