Tornado, Boone
- When
- June 22, 12:30 PM CST
- Where
- Boone County
- Rating
- F1
- Path length
- 0.6 mi
- Path width
- 200 yd
- Property damage
- $25,000
- Coordinates
- 42.420, -88.900
Tornadoes and Hail in Illinois, June 22, 1984
12 hail, 4 thunderstorm wind, 2 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $275,000
- Crop damage
- None recorded
- Events
- 18
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 hail, 4 thunderstorm wind, 2 tornado. Local standard time, as filed.
Hail, McHenry
- When
- June 22, 1:15 PM CST
- Where
- McHenry County
- Measured
- 1 in hail
- Coordinates
- 42.250, -88.600
Hail, Kane
- When
- June 22, 1:50 PM CST
- Where
- Kane County
- Measured
- 1.75 in hail
- Coordinates
- 42.050, -88.550
Hail, Kane
- When
- June 22, 1:50 PM CST
- Where
- Kane County
- Measured
- 1 in hail
- Coordinates
- 42.030, -88.280
Hail, Du Page
- When
- June 22, 1:50 PM CST
- Where
- Du Page County
- Measured
- 1.75 in hail
- Coordinates
- 41.900, -88.250
Thunderstorm Wind, Kane
- When
- June 22, 2:23 PM CST
- Where
- Kane County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.020, -88.320
Hail, Kane
- When
- June 22, 2:30 PM CST
- Where
- Kane County
- Measured
- 1.75 in hail
- Coordinates
- 41.930, -88.380
Hail, Kane
- When
- June 22, 2:45 PM CST
- Where
- Kane County
- Measured
- 1.75 in hail
- Coordinates
- 41.920, -88.320
Thunderstorm Wind, Du Page
- When
- June 22, 2:45 PM CST
- Where
- Du Page County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.850, -88.080
Thunderstorm Wind, Du Page
- When
- June 22, 2:47 PM CST
- Where
- Du Page County
- Coordinates
- 41.920, -88.320
Hail, Du Page
- When
- June 22, 2:55 PM CST
- Where
- Du Page County
- Measured
- 0.75 in hail
- Coordinates
- 41.900, -88.250
Hail, Will
- When
- June 22, 3:28 PM CST
- Where
- Will County
- Measured
- 2.75 in hail
- Coordinates
- 41.780, -88.150
Thunderstorm Wind, Du Page
- When
- June 22, 3:50 PM CST
- Where
- Du Page County
- Coordinates
- 41.780, -88.150
Hail, Livingston
- When
- June 22, 5:10 PM CST
- Where
- Livingston County
- Measured
- 1.75 in hail
- Coordinates
- 40.650, -88.380
Hail, Kankakee
- When
- June 22, 5:30 PM CST
- Where
- Kankakee County
- Measured
- 1 in hail
- Coordinates
- 41.150, -87.880
Hail, Ford
- When
- June 22, 5:45 PM CST
- Where
- Ford County
- Measured
- 1.75 in hail
- Coordinates
- 40.470, -88.370
Tornado, Vermilion
- When
- June 22, 6:55 PM CST
- Where
- Vermilion County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 300 yd
- Property damage
- $250,000
- Coordinates
- 40.470, -87.670
Hail, Iroquois
- When
- June 22, 7:15 PM CST
- Where
- Iroquois County
- Measured
- 1.75 in hail
- Coordinates
- 40.930, -87.930
What these are
- 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.
- 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
- Tornadoes and Hail in Iowa, June 22, 1984
- Tornado and Hail in Wyoming, June 22, 1984
- Tornado and Hail in North Dakota, June 22, 1984
- Tornadoes and Hail in South Dakota, June 22, 1984
- Hail and Damaging Winds in Minnesota, June 22, 1984
- Tornadoes and Hail in Kansas, June 22, 1984
- Hail and Damaging Winds in Indiana, June 22, 1984
- Damaging Winds in Kentucky, June 22, 1984
- Tornado and Damaging Wind in Wisconsin, June 22, 1984
- Tornado and Hail in Nebraska, June 22, 1984
- Damaging Wind in Mississippi, June 22, 1984
- Damaging Wind in Ohio, June 22, 1984
More
Every storm in Illinois in 1984Every state in 1984This day in weather historyThe tornado archive for Illinois, 1984
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: 10004130, 10004131, 10004132, 10004133, 10004134, 10004135, 10004136, 10004137, 10004138, 10004139, 10004140, 10004141, 10004142, 10004143, 10004144, 10004145, 10004146, 10004147.