Tornado, Boone
- When
- May 15, 2:30 PM CST
- Where
- Boone County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 10 yd
- Property damage
- $3,000
- Coordinates
- 42.300, -88.780
Tornadoes and Damaging Wind in Illinois, May 15, 1986
7 tornado, 1 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
- 1
- Property damage
- $330,000
- Crop damage
- None recorded
- Events
- 8
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
7 tornado, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Lee
- When
- May 15, 2:30 PM CST
- Where
- Lee County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 33 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 41.830, -89.480
Tornado, Johnson
- When
- May 15, 5:35 PM CST
- Where
- Johnson County
- Rating
- F1
- Path length
- 6 mi
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 37.420, -88.900
Tornado, Coles
- When
- May 15, 6:45 PM CST
- Where
- Coles County
- Rating
- F1
- Path length
- 8 mi
- Path width
- 33 yd
- Property damage
- $250,000
- Coordinates
- 39.480, -88.180
Tornado, Pope
- When
- May 15, 7:00 PM CST
- Where
- Pope County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 10 yd
- Property damage
- $3,000
- Coordinates
- 37.420, -88.480
Tornado, Edgar
- When
- May 15, 7:04 PM CST
- Where
- Edgar County
- Rating
- F1
- Path length
- 3.5 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 39.670, -87.900
Thunderstorm Wind, Edgar
- When
- May 15, 7:20 PM CST
- Where
- Edgar County
- Measured
- 69 kt (79 mph)
- Coordinates
- 39.680, -87.750
Tornado, Edgar
- When
- May 15, 7:30 PM CST
- Where
- Edgar County
- Rating
- F2
- Path length
- 5 mi
- Path width
- 33 yd
- Coordinates
- 39.530, -87.700
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.
- 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 Missouri, May 15, 1986
- Tornado in Michigan, May 15, 1986
- Tornadoes and Hail in Indiana, May 15, 1986
- Tornadoes and Hail in Ohio, May 15, 1986
- Tornado and Hail in Colorado, May 15, 1986
- Hail in Kansas, May 15, 1986
- Hail and Damaging Winds in Texas, May 15, 1986
- Hail and Damaging Winds in Arkansas, May 15, 1986
- Hail in Tennessee, May 15, 1986
- Hail in Oklahoma, May 15, 1986
More
Every storm in Illinois in 1986Every state in 1986This day in weather historyThe tornado archive for Illinois, 1986Warnings in Illinois, May 1986
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: 10004497, 10004498, 10004499, 10004500, 10004501, 10004502, 10004503, 10005346.