Tornado and Hail in Illinois, July 6, 1987

Name: Tornado and Hail in Illinois, July 6, 1987
Start: 1987-07-06T10:35
End: 1987-07-06T18:55
Location: Illinois

July 6, 1987 · NWS CHI · 34 events in 23 counties and zones

23 thunderstorm wind, 10 hail, 1 tornado, 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $3,000
Crop damage: None recorded
Events: 34

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

23 thunderstorm wind, 10 hail, 1 tornado. Local standard time, as filed.

Hail, St. Clair

When: July 6, 10:35 AM CST
Where: St. Clair County
Measured: 0.75 in hail
Coordinates: 38.570, -90.170

Hail, St. Clair

When: July 6, 10:40 AM CST
Where: St. Clair County
Measured: 1.75 in hail
Coordinates: 38.520, -89.980

Hail, St. Clair

When: July 6, 10:50 AM CST
Where: St. Clair County
Measured: 3.5 in hail
Coordinates: 38.500, -90.080

Hail, St. Clair

When: July 6, 10:56 AM CST
Where: St. Clair County
Measured: 1 in hail
Coordinates: 38.550, -89.850

Hail, St. Clair

When: July 6, 11:05 AM CST
Where: St. Clair County
Measured: 3.5 in hail
Coordinates: 38.500, -90.080

Hail, Marion

When: July 6, 12:10 PM CST
Where: Marion County
Measured: 1.75 in hail
Coordinates: 38.530, -89.070

Thunderstorm Wind, Washington

When: July 6, 12:15 PM CST
Where: Washington County
Coordinates: 38.430, -89.370

Hail, Marion

When: July 6, 1:15 PM CST
Where: Marion County
Measured: 1.5 in hail
Coordinates: 38.530, -89.130

Thunderstorm Wind, Wayne

When: July 6, 1:15 PM CST
Where: Wayne County
Coordinates: 38.380, -88.370

Thunderstorm Wind, Clinton

When: July 6, 1:15 PM CST
Where: Clinton County
Coordinates: 38.520, -89.150

Thunderstorm Wind, Edwards

When: July 6, 1:30 PM CST
Where: Edwards County
Coordinates: 38.380, -88.050

Thunderstorm Wind, Stephenson

When: July 6, 1:30 PM CST
Where: Stephenson County
Coordinates: 42.370, -89.630

Thunderstorm Wind, Wabash

When: July 6, 1:50 PM CST
Where: Wabash County
Measured: 53 kt (61 mph)
Coordinates: 38.420, -87.770

Thunderstorm Wind, Winnebago

When: July 6, 2:34 PM CST
Where: Winnebago County
Measured: 57 kt (66 mph)
Coordinates: 42.270, -89.080

Thunderstorm Wind, Macoupin

When: July 6, 3:00 PM CST
Where: Macoupin County
Measured: 56 kt (64 mph)
Coordinates: 39.270, -89.770

Thunderstorm Wind, Randolph

When: July 6, 3:05 PM CST
Where: Randolph County
Measured: 52 kt (60 mph)
Coordinates: 38.080, -90.100

Thunderstorm Wind, Montgomery

When: July 6, 3:10 PM CST
Where: Montgomery County
Coordinates: 39.180, -89.650

Thunderstorm Wind, Madison

When: July 6, 3:25 PM CST
Where: Madison County
Measured: 52 kt (60 mph)
Coordinates: 38.820, -89.950

Thunderstorm Wind, Adams

When: July 6, 3:30 PM CST
Where: Adams County
Coordinates: 39.930, -91.400

Thunderstorm Wind, Pike

When: July 6, 3:30 PM CST
Where: Pike County
Coordinates: 39.620, -90.900

Hail, Macoupin

When: July 6, 3:40 PM CST
Where: Macoupin County
Measured: 1.5 in hail
Coordinates: 39.270, -89.770

Thunderstorm Wind, Madison

When: July 6, 3:55 PM CST
Where: Madison County
Coordinates: 38.820, -89.900

Thunderstorm Wind, Wayne

When: July 6, 4:05 PM CST
Where: Wayne County
Measured: 55 kt (63 mph)
Coordinates: 38.380, -88.370

Tornado, Knox

When: July 6, 4:18 PM CST
Where: Knox County
Rating: F1
Path length: 0.1 mi
Path width: 20 yd
Property damage: $3,000
Coordinates: 40.900, -90.170

Hail, Montgomery

When: July 6, 4:30 PM CST
Where: Montgomery County
Measured: 2 in hail
Coordinates: 39.180, -89.650

Hail, Fayette

When: July 6, 4:40 PM CST
Where: Fayette County
Measured: 1 in hail
Coordinates: 39.150, -89.120

Thunderstorm Wind, Fayette

When: July 6, 4:40 PM CST
Where: Fayette County
Measured: 52 kt (60 mph)
Coordinates: 38.970, -89.100

Thunderstorm Wind, Shelby

When: July 6, 5:05 PM CST
Where: Shelby County
Measured: 61 kt (70 mph)
Coordinates: 39.520, -88.750

Thunderstorm Wind, Effingham

When: July 6, 5:10 PM CST
Where: Effingham County
Measured: 52 kt (60 mph)
Coordinates: 39.120, -88.530

Thunderstorm Wind, Macoupin

When: July 6, 5:21 PM CST
Where: Macoupin County
Measured: 70 kt (81 mph)
Coordinates: 39.280, -89.880

Thunderstorm Wind, Moultrie

When: July 6, 5:30 PM CST
Where: Moultrie County
Coordinates: 39.630, -88.600

Thunderstorm Wind, Edgar

When: July 6, 6:55 PM CST
Where: Edgar County
Coordinates: 39.620, -87.700

Thunderstorm Wind, Clark

When: July 6, 6:55 PM CST
Where: Clark County
Coordinates: 39.420, -87.900

Thunderstorm Wind, Coles

When: July 6, 6:55 PM CST
Where: Coles County
Measured: 72 kt (83 mph)
Coordinates: 39.480, -88.180

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.
Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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

The same day elsewhere

Every storm in Illinois in 1987 Every state in 1987 This day in weather history The tornado archive for Illinois, 1987 Warnings in Illinois, July 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: 10004843, 10004844, 10004845, 10004846, 10004847, 10004848, 10004849, 10004850, 10004851, 10004852, 10004853, 10004854, 10005698, 10005699, 10005910, 10005911, 10005912, 10005913, 10005914, 10005915, 10005916, 10005917, 10005918, 10005919, 10005920, 10005921, 10005922, 10005923, 10005924, 10005925, 10005926, 10005927, 10005928, 10005929.