Tornado, La Salle
- When
- September 29, 12:55 PM CST
- Where
- La Salle County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 10 yd
- Property damage
- $250,000
- Coordinates
- 41.450, -88.670
Tornadoes and Damaging Winds in Illinois, September 29, 1986
9 thunderstorm wind, 5 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
- 10
- Property damage
- $8.0 million
- Crop damage
- None recorded
- Events
- 14
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
9 thunderstorm wind, 5 tornado. Local standard time, as filed.
Thunderstorm Wind, Du Page
- When
- September 29, 1:05 PM CST
- Where
- Du Page County
- Measured
- 57 kt (66 mph)
- Coordinates
- 41.780, -88.150
Tornado, Cook
- When
- September 29, 1:30 PM CST
- Where
- Cook County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 50 yd
- Injuries
- 10 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 41.830, -87.820
Tornado, Tazewell
- When
- September 29, 2:58 PM CST
- Where
- Tazewell County
- Rating
- F2
- Path length
- 2 mi
- Path width
- 50 yd
- Property damage
- $2.5 million
- Coordinates
- 40.420, -89.420
Thunderstorm Wind, Madison
- When
- September 29, 3:30 PM CST
- Where
- Madison County
- Measured
- 58 kt (67 mph)
- Coordinates
- 38.820, -89.950
Thunderstorm Wind, Madison
- When
- September 29, 3:30 PM CST
- Where
- Madison County
- Measured
- 58 kt (67 mph)
- Coordinates
- 38.970, -89.670
Thunderstorm Wind, Livingston
- When
- September 29, 3:45 PM CST
- Where
- Livingston County
- Coordinates
- 40.870, -88.620
Thunderstorm Wind, Montgomery
- When
- September 29, 3:45 PM CST
- Where
- Montgomery County
- Measured
- 57 kt (66 mph)
- Coordinates
- 39.080, -89.400
Thunderstorm Wind, Montgomery
- When
- September 29, 4:10 PM CST
- Where
- Montgomery County
- Measured
- 57 kt (66 mph)
- Coordinates
- 39.030, -89.470
Thunderstorm Wind, Bond
- When
- September 29, 4:25 PM CST
- Where
- Bond County
- Measured
- 57 kt (66 mph)
- Coordinates
- 39.000, -89.570
Tornado, McLean
- When
- September 29, 4:34 PM CST
- Where
- McLean County
- Rating
- F2
- Path length
- 5 mi
- Path width
- 50 yd
- Property damage
- $2.5 million
- Coordinates
- 40.750, -88.650
Tornado, Livingston
- When
- September 29, 4:46 PM CST
- Where
- Livingston County
- Rating
- F2
- Path length
- 4 mi
- Path width
- 50 yd
- Property damage
- $2.5 million
- Coordinates
- 40.700, -88.580
Thunderstorm Wind, Champaign
- When
- September 29, 5:30 PM CST
- Where
- Champaign County
- Coordinates
- 39.980, -88.250
Thunderstorm Wind, Coles
- When
- September 29, 6:15 PM CST
- Where
- Coles County
- Measured
- 55 kt (63 mph)
- Coordinates
- 39.480, -88.370
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
More
Every storm in Illinois in 1986Every state in 1986This day in weather historyThe tornado archive for Illinois, 1986Warnings in Illinois, September 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: 10002588, 10002589, 10002590, 10002591, 10002592, 10003441, 10003442, 10003656, 10003657, 10003658, 10003659, 10003660, 10003661, 10003662.