Tornadoes and Hail in Illinois, April 29, 1984

Name: Tornadoes and Hail in Illinois, April 29, 1984
Start: 1984-04-29T17:55
End: 1984-04-29T23:25
Location: Illinois

April 29, 1984 · NWS S · 39 events in 25 counties and zones

30 thunderstorm wind, 8 tornado, 1 hail, 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: 2
Property damage: $750,000
Crop damage: None recorded
Events: 39

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

30 thunderstorm wind, 8 tornado, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Pike

When: April 29, 5:55 PM CST
Where: Pike County
Measured: 52 kt (60 mph)
Coordinates: 39.620, -90.850

Thunderstorm Wind, Adams

When: April 29, 5:55 PM CST
Where: Adams County
Measured: 54 kt (62 mph)
Coordinates: 39.930, -91.400

Thunderstorm Wind, Adams

When: April 29, 6:10 PM CST
Where: Adams County
Measured: 56 kt (64 mph)
Coordinates: 39.800, -91.000

Thunderstorm Wind, Pike

When: April 29, 6:10 PM CST
Where: Pike County
Measured: 70 kt (81 mph)
Coordinates: 39.620, -90.850

Thunderstorm Wind, Adams

When: April 29, 6:15 PM CST
Where: Adams County
Measured: 54 kt (62 mph)
Coordinates: 39.930, -91.400

Tornado, Henderson

When: April 29, 6:30 PM CST
Where: Henderson County
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Property damage: $250,000
Coordinates: 40.730, -91.070

Thunderstorm Wind, Calhoun

When: April 29, 6:30 PM CST
Where: Calhoun County
Measured: 52 kt (60 mph)
Coordinates: 39.150, -90.620

Thunderstorm Wind, Calhoun

When: April 29, 6:40 PM CST
Where: Calhoun County
Coordinates: 38.950, -90.580

Thunderstorm Wind, Calhoun

When: April 29, 6:50 PM CST
Where: Calhoun County
Coordinates: 39.230, -90.720

Thunderstorm Wind, La Salle

When: April 29, 6:55 PM CST
Where: La Salle County
Injuries: 2 direct, 0 indirect
Coordinates: 41.330, -88.720

Tornado, Henderson

When: April 29, 6:59 PM CST
Where: Henderson County
Rating: F0
Path length: 0.1 mi
Path width: 33 yd
Property damage: $30
Coordinates: 40.820, -91.080

Thunderstorm Wind, Jersey

When: April 29, 7:00 PM CST
Where: Jersey County
Measured: 52 kt (60 mph)
Coordinates: 39.100, -90.370

Thunderstorm Wind, Greene

When: April 29, 7:00 PM CST
Where: Greene County
Measured: 52 kt (60 mph)
Coordinates: 39.350, -90.380

Thunderstorm Wind, Macoupin

When: April 29, 7:10 PM CST
Where: Macoupin County
Measured: 50 kt (58 mph)
Coordinates: 39.230, -89.950

Thunderstorm Wind, Fulton

When: April 29, 7:10 PM CST
Where: Fulton County
Measured: 57 kt (66 mph)
Coordinates: 40.300, -90.430

Thunderstorm Wind, Mercer

When: April 29, 7:15 PM CST
Where: Mercer County
Coordinates: 41.200, -90.580

Thunderstorm Wind, Greene

When: April 29, 7:20 PM CST
Where: Greene County
Measured: 52 kt (60 mph)
Coordinates: 39.350, -90.380

Tornado, Henderson

When: April 29, 7:30 PM CST
Where: Henderson County
Rating: F0
Path length: 0.1 mi
Path width: 33 yd
Property damage: $30
Coordinates: 40.930, -90.950

Thunderstorm Wind, Rock Island

When: April 29, 7:43 PM CST
Where: Rock Island County
Measured: 50 kt (58 mph)
Coordinates: 41.450, -90.520

Thunderstorm Wind, Perry

When: April 29, 7:55 PM CST
Where: Perry County
Coordinates: 38.080, -89.380

Thunderstorm Wind, Macoupin

When: April 29, 8:00 PM CST
Where: Macoupin County
Coordinates: 39.230, -89.950

Thunderstorm Wind, Tazewell

When: April 29, 8:00 PM CST
Where: Tazewell County
Coordinates: 40.430, -89.670

Thunderstorm Wind, Franklin

When: April 29, 8:00 PM CST
Where: Franklin County
Measured: 52 kt (60 mph)
Coordinates: 37.980, -88.970

Tornado, Henderson

When: April 29, 8:10 PM CST
Where: Henderson County
Rating: F0
Path length: 0.1 mi
Path width: 33 yd
Property damage: $30
Coordinates: 40.720, -91.050

Thunderstorm Wind, Christian

When: April 29, 8:17 PM CST
Where: Christian County
Coordinates: 39.550, -89.300

Thunderstorm Wind, Logan

When: April 29, 8:18 PM CST
Where: Logan County
Coordinates: 40.180, -89.580

Thunderstorm Wind, Hancock

When: April 29, 8:20 PM CST
Where: Hancock County
Coordinates: 40.630, -91.170

Thunderstorm Wind, McLean

When: April 29, 8:20 PM CST
Where: McLean County
Coordinates: 40.520, -89.000

Thunderstorm Wind, Woodford

When: April 29, 8:23 PM CST
Where: Woodford County
Measured: 56 kt (64 mph)
Coordinates: 40.800, -89.200

Thunderstorm Wind, Franklin

When: April 29, 8:35 PM CST
Where: Franklin County
Measured: 60 kt (69 mph)
Coordinates: 37.920, -88.970

Thunderstorm Wind, Williamson

When: April 29, 8:35 PM CST
Where: Williamson County
Measured: 60 kt (69 mph)
Coordinates: 37.780, -88.970

Thunderstorm Wind, Jackson

When: April 29, 8:45 PM CST
Where: Jackson County
Measured: 50 kt (58 mph)
Coordinates: 37.780, -89.250

Tornado, Hancock

When: April 29, 8:50 PM CST
Where: Hancock County
Rating: F0
Path length: 0.1 mi
Path width: 33 yd
Property damage: $30
Coordinates: 40.620, -91.020

Thunderstorm Wind, Tazewell

When: April 29, 8:50 PM CST
Where: Tazewell County
Coordinates: 40.670, -89.400

Tornado, Carroll

When: April 29, 9:00 PM CST
Where: Carroll County
Rating: F1
Path length: 1 mi
Path width: 3 yd
Property damage: $250,000
Coordinates: 42.070, -89.900

Thunderstorm Wind, Stephenson

When: April 29, 9:10 PM CST
Where: Stephenson County
Measured: 69 kt (79 mph)
Coordinates: 42.280, -89.620

Hail, Cook

When: April 29, 9:20 PM CST
Where: Cook County
Measured: 0.75 in hail
Coordinates: 41.880, -87.780

Tornado, La Salle

When: April 29, 10:45 PM CST
Where: La Salle County
Rating: F1
Path length: 0.1 mi
Path width: 10 yd
Property damage: $250,000
Coordinates: 41.500, -88.670

Tornado, Will

When: April 29, 11:25 PM CST
Where: Will County
Rating: F0
Path length: 0.1 mi
Path width: 10 yd
Property damage: $30
Coordinates: 41.580, -88.200

What these are

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.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

Every storm in Illinois in 1984 Every state in 1984 This day in weather history The 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: 10004424, 10004425, 10004426, 10004427, 10004428, 10004429, 10004430, 10004431, 10004714, 10004715, 10004079, 10004080, 10004081, 10004082, 10004083, 10004084, 10004085, 10004086, 10004087, 10004088, 10004089, 10004090, 10004091, 10004092, 10004093, 10004094, 10004095, 10004096, 10004097, 10004098, 10004099, 10004100, 10004101, 10004102, 10004103, 10004104, 10004105, 10004106, 10004107.