Illinois, 1984

Tornadoes and Hail in Illinois, April 3, 1984

April 3, 1984 · NWS T · 13 events in 8 counties and zones

8 hail, 3 tornado, 2 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

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The toll

Deaths
0
Injuries
0
Property damage
$525,000
Crop damage
None recorded
Events
13

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 hail, 3 tornado, 2 thunderstorm wind. Local standard time, as filed.

Hail, St. Clair

When
April 3, 5:17 PM CST
Where
St. Clair County
Measured
1.75 in hail
Coordinates
38.450, -89.970

Tornado, Madison

When
April 3, 5:35 PM CST
Where
Madison County
Rating
F0
Path length
0.1 mi
Path width
33 yd
Property damage
$25,000
Coordinates
38.670, -90.000

Thunderstorm Wind, St. Clair

When
April 3, 5:40 PM CST
Where
St. Clair County
Coordinates
38.450, -89.970

Tornado, Monroe

When
April 3, 5:45 PM CST
Where
Monroe County
Rating
F0
Path length
0.1 mi
Path width
33 yd
Property damage
$250,000
Coordinates
38.330, -90.150

Tornado, St. Clair

When
April 3, 5:50 PM CST
Where
St. Clair County
Rating
F0
Path length
0.2 mi
Path width
3 yd
Property damage
$250,000
Coordinates
38.550, -89.900

Hail, Washington

When
April 3, 6:55 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
38.280, -89.480

Hail, Union

When
April 3, 7:00 PM CST
Where
Union County
Measured
0.75 in hail
Coordinates
37.450, -89.270

Hail, Jackson

When
April 3, 7:00 PM CST
Where
Jackson County
Measured
0.75 in hail
Coordinates
37.720, -89.220

Hail, Jackson

When
April 3, 7:15 PM CST
Where
Jackson County
Measured
0.75 in hail
Coordinates
37.700, -89.230

Hail, Marion

When
April 3, 7:15 PM CST
Where
Marion County
Measured
1 in hail
Coordinates
38.530, -89.130

Thunderstorm Wind, Jackson

When
April 3, 7:15 PM CST
Where
Jackson County
Measured
52 kt (60 mph)
Coordinates
37.700, -89.230

Hail, Marion

When
April 3, 7:20 PM CST
Where
Marion County
Measured
2.5 in hail
Coordinates
38.800, -89.080

Hail, Fayette

When
April 3, 7:25 PM CST
Where
Fayette County
Measured
2.5 in hail
Coordinates
38.980, -89.070

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 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: 10004386, 10004387, 10004388, 10004389, 10004390, 10004391, 10004392, 10004393, 10004394, 10004395, 10004396, 10004397, 10004398.