Hail, Hancock
- When
- May 11, 2:15 PM CST
- Where
- Hancock County
- Measured
- 0.75 in hail
- Coordinates
- 40.420, -91.000
Tornado and Hail in Illinois, May 11, 1975
4 hail, 1 tornado, 1 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
The toll
- Deaths
- 0
- Injuries
- 2
- Property damage
- $3,000
- 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
4 hail, 1 tornado, 1 thunderstorm wind. Local standard time, as filed.
Hail, Sangamon
- When
- May 11, 4:00 PM CST
- Where
- Sangamon County
- Measured
- 1.5 in hail
- Coordinates
- 39.850, -89.680
Hail, Knox
- When
- May 11, 4:00 PM CST
- Where
- Knox County
- Measured
- 1.75 in hail
- Coordinates
- 41.150, -90.250
Tornado, Christian
- When
- May 11, 5:00 PM CST
- Where
- Christian County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 50 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $3,000
- Coordinates
- 39.470, -89.430
Hail, Morgan
- When
- May 11, 5:05 PM CST
- Where
- Morgan County
- Measured
- 2 in hail
- Coordinates
- 39.580, -90.250
Thunderstorm Wind, Crawford
- When
- May 11, 8:15 PM CST
- Where
- Crawford County
- Coordinates
- 39.000, -87.830
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 1975Every state in 1975This day in weather historyThe tornado archive for Illinois, 1975
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: 10006713, 10006714, 10006715, 10006716, 10006717, 10006718.