Tornado, La Salle
- When
- April 29, 6:20 PM CST
- Where
- La Salle County
- Rating
- F1
- Path length
- 4 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 41.550, -89.030
Tornadoes in Illinois, April 29, 1991
8 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
- $75,000
- 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
8 tornado. Local standard time, as filed.
Tornado, Boone
- When
- April 29, 6:30 PM CST
- Where
- Boone County
- Rating
- F0
- Path length
- 3 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 42.180, -88.780
Tornado, Lee
- When
- April 29, 6:30 PM CST
- Where
- Lee County
- Rating
- F1
- Path length
- 6 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 41.630, -88.980
Tornado, Woodford
- When
- April 29, 6:45 PM CST
- Where
- Woodford County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 100 yd
- Coordinates
- 40.880, -89.070
Tornado, Winnebago
- When
- April 29, 6:55 PM CST
- Where
- Winnebago County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 100 yd
- Coordinates
- 42.320, -89.170
Tornado, McLean
- When
- April 29, 7:00 PM CST
- Where
- McLean County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 200 yd
- Coordinates
- 40.630, -88.980
Tornado, De Witt
- When
- April 29, 7:26 PM CST
- Where
- De Witt County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 50 yd
- Coordinates
- 40.120, -88.730
Tornado, McHenry
- When
- April 29, 7:30 PM CST
- Where
- McHenry County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 20 yd
- Coordinates
- 42.250, -88.680
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Winds in Minnesota, April 29, 1991
- Tornadoes and Hail in Iowa, April 29, 1991
- Tornadoes and Hail in Alabama, April 29, 1991
- Hail and Damaging Winds in Georgia, April 29, 1991
- Damaging Winds in Tennessee, April 29, 1991
- Tornado and Hail in South Carolina, April 29, 1991
- Hail and Damaging Winds in North Carolina, April 29, 1991
- Tornado and Hail in Texas, April 29, 1991
- Damaging Winds in Louisiana, April 29, 1991
- Damaging Winds in Wisconsin, April 29, 1991
- Damaging Winds in Mississippi, April 29, 1991
- Tornado and Hail in Nebraska, April 29, 1991
More
Every storm in Illinois in 1991Every state in 1991This day in weather historyThe tornado archive for Illinois, 1991Warnings in Illinois, April 1991
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: 10004754, 10004755, 10004756, 10004757, 10004758, 10004759, 10004760, 10004761.