Thunderstorm Wind, Macon
- When
- April 4, 12:02 AM CST
- Where
- Macon County
- Measured
- 55 kt (63 mph)
- Coordinates
- 39.830, -88.870
Tornado and Damaging Winds in Illinois, April 4, 1981
10 thunderstorm wind, 1 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
- 4
- Property damage
- $2.5 million
- Crop damage
- None recorded
- Events
- 11
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
10 thunderstorm wind, 1 tornado. Local standard time, as filed.
Tornado, Rock Island
- When
- April 4, 12:30 AM CST
- Where
- Rock Island County
- Rating
- F1
- Path length
- 4.9 mi
- Path width
- 100 yd
- Injuries
- 4 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 41.950, -90.570
Thunderstorm Wind, Rock Island
- When
- April 4, 12:40 AM CST
- Where
- Rock Island County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.450, -90.520
Thunderstorm Wind, Champaign
- When
- April 4, 12:55 AM CST
- Where
- Champaign County
- Coordinates
- 40.030, -87.970
Thunderstorm Wind, Marion
- When
- April 4, 1:00 AM CST
- Where
- Marion County
- Coordinates
- 38.630, -88.950
Thunderstorm Wind, Effingham
- When
- April 4, 1:00 AM CST
- Where
- Effingham County
- Coordinates
- 39.120, -88.530
Thunderstorm Wind, Perry
- When
- April 4, 1:00 AM CST
- Where
- Perry County
- Coordinates
- 38.080, -89.380
Thunderstorm Wind, Champaign
- When
- April 4, 1:05 AM CST
- Where
- Champaign County
- Coordinates
- 40.120, -88.030
Thunderstorm Wind, Whiteside
- When
- April 4, 1:15 AM CST
- Where
- Whiteside County
- Coordinates
- 41.820, -89.970
Thunderstorm Wind, De Witt
- When
- April 4, 1:20 AM CST
- Where
- De Witt County
- Coordinates
- 40.230, -89.120
Thunderstorm Wind, Jackson
- When
- April 4, 1:30 AM CST
- Where
- Jackson County
- Measured
- 52 kt (60 mph)
- Coordinates
- 37.780, -89.250
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Winds in Wisconsin, April 4, 1981
- Tornadoes and Damaging Wind in Iowa, April 4, 1981
- Damaging Winds in Missouri, April 4, 1981
- Damaging Winds in Indiana, April 4, 1981
- Damaging Winds in Michigan, April 4, 1981
- Damaging Winds in Alabama, April 4, 1981
- Damaging Wind in Kentucky, April 4, 1981
- Damaging Wind in Ohio, April 4, 1981
- Damaging Wind in Tennessee, April 4, 1981
More
Every storm in Illinois in 1981Every state in 1981This day in weather historyThe tornado archive for Illinois, 1981
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: 10005327, 10005328, 10005329, 10005330, 10005331, 10005332, 10005333, 10005334, 10005335, 10005336, 10005337.