Illinois, 1971Tornado and Hail in Illinois, April 27, 1971
April 27, 1971 · 6 events in 4 counties and zones
3 hail, 2 thunderstorm wind, 1 tornado, as filed by the National Weather Service.
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
- Deaths
- 1
- Injuries
- 20
- Property damage
- $2.5 million
- Crop damage
- None recorded
- Events
- 6
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
3 hail, 2 thunderstorm wind, 1 tornado. Local standard time, as filed.
Hail, Monroe
- When
- April 27, 1:48 PM CST
- Where
- Monroe County
- Measured
- 1 in hail
- Coordinates
- 38.280, -90.180
Hail,
- When
- April 27, 2:45 PM CST
- Where
- County
- Measured
- 2.75 in hail
- Coordinates
- 37.880, -89.780
Thunderstorm Wind, Jackson
- When
- April 27, 3:15 PM CST
- Where
- Jackson County
- Coordinates
- 37.700, -89.500
Thunderstorm Wind, Jackson
- When
- April 27, 3:25 PM CST
- Where
- Jackson County
- Measured
- 70 kt (81 mph)
- Coordinates
- 37.700, -89.180
Hail, Jackson
- When
- April 27, 3:30 PM CST
- Where
- Jackson County
- Measured
- 1.5 in hail
- Coordinates
- 37.700, -89.180
Tornado, Franklin
- When
- April 27, 3:43 PM CST
- Where
- Franklin County
- Rating
- F3
- Path length
- 4.5 mi
- Path width
- 200 yd
- Deaths
- 1 direct, 0 indirect
- Injuries
- 20 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 37.900, -89.800
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- Tornadoes and Hail in Kentucky, April 27, 19719 deaths · 130 injured · $10 million · F4 · 19 events
- Tornadoes and Hail in Tennessee, April 27, 19716 injured · $525,000 · F3 · 6 events
- Tornadoes and Hail in Indiana, April 27, 19712 injured · $50,000 · F1 · 11 events
- Tornado and Hail in Missouri, April 27, 1971$25,000 · F1 · 9 events
- Tornado in Arkansas, April 27, 1971$25,000 · F1 · 1 event
- Damaging Wind in Kansas, April 27, 19711 event
- Hail in Iowa, April 27, 19711 in hail · 1 event
- Hail in Ohio, April 27, 19711.75 in hail · 1 event
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: 10011195, 10011196, 10011197, 10011198, 10011199, 10011200.