Hail, Champaign
- When
- April 11, 4:30 AM CST
- Where
- Champaign County
- Measured
- 1.5 in hail
- Coordinates
- 40.080, -88.280
Tornadoes and Hail in Illinois, April 11, 1965
6 thunderstorm wind, 5 tornado, 2 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
The toll
- Deaths
- 6
- Injuries
- 75
- Property damage
- $750,000
- 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
6 thunderstorm wind, 5 tornado, 2 hail. Local standard time, as filed.
Hail, Vermilion
- When
- April 11, 5:40 AM CST
- Where
- Vermilion County
- Measured
- 1 in hail
- Coordinates
- 40.200, -87.580
Thunderstorm Wind,
- When
- April 11, 1:15 PM CST
- Where
- County
- Coordinates
- 41.700, -90.500
Thunderstorm Wind, Jo Daviess
- When
- April 11, 2:00 PM CST
- Where
- Jo Daviess County
- Coordinates
- 42.280, -90.000
Thunderstorm Wind, Winnebago
- When
- April 11, 2:45 PM CST
- Where
- Winnebago County
- Coordinates
- 42.380, -89.180
Thunderstorm Wind, Lee
- When
- April 11, 3:08 PM CST
- Where
- Lee County
- Measured
- 70 kt (81 mph)
- Coordinates
- 41.780, -89.500
Tornado, McHenry
- When
- April 11, 3:20 PM CST
- Where
- McHenry County
- Rating
- F4
- Path length
- 9.1 mi
- Path width
- 400 yd
- Deaths
- 6 direct, 0 indirect
- Injuries
- 75 direct, 0 indirect
- Coordinates
- 42.220, -88.380
Tornado, Lake
- When
- April 11, 3:35 PM CST
- Where
- Lake County
- Rating
- F4
- Path width
- 400 yd
- Coordinates
- 42.280, -88.220
Tornado, Lake
- When
- April 11, 3:50 PM CST
- Where
- Lake County
- Rating
- F2
- Path length
- 4.5 mi
- Path width
- 200 yd
- Property damage
- $250,000
- Coordinates
- 42.380, -88.020
Tornado, Kane
- When
- April 11, 4:00 PM CST
- Where
- Kane County
- Rating
- F1
- Path length
- 0.3 mi
- Path width
- 150 yd
- Property damage
- $250,000
- Coordinates
- 41.880, -88.300
Tornado, Lake
- When
- April 11, 4:04 PM CST
- Where
- Lake County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 250 yd
- Property damage
- $250,000
- Coordinates
- 42.430, -87.830
Thunderstorm Wind, Cook
- When
- April 11, 4:34 PM CST
- Where
- Cook County
- Measured
- 60 kt (69 mph)
- Coordinates
- 42.000, -87.900
Thunderstorm Wind, Cook
- When
- April 11, 5:10 PM CST
- Where
- Cook County
- Coordinates
- 41.780, -87.580
What these are
- 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.
The same day elsewhere
- Tornadoes and Hail in Indiana, April 11, 1965
- Tornadoes and Damaging Winds in Ohio, April 11, 1965
- Tornadoes and Damaging Winds in Michigan, April 11, 1965
- Tornadoes and Hail in Wisconsin, April 11, 1965
- Tornadoes and Damaging Winds in Iowa, April 11, 1965
- Tornado and Hail in Oklahoma, April 11, 1965
- Hail and Damaging Winds in Arkansas, April 11, 1965
- Damaging Winds in Kentucky, April 11, 1965
- Hail in Tennessee, April 11, 1965
- Hail in Missouri, April 11, 1965
- Hail in New York, April 11, 1965
- Hail in Mississippi, April 11, 1965
More
Every storm in Illinois in 1965Every state in 1965This day in weather historyThe tornado archive for Illinois, 1965
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: 10011049, 10011050, 10011051, 10011052, 10011053, 10011054, 10011055, 10011056, 10011057, 10011058, 10011059, 10011060, 10011061.