Illinois, 1975

Tornadoes and Hail in Illinois, June 20, 1975

June 20, 1975 · 11 events in 6 counties and zones

8 hail, 3 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

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The toll

Deaths
0
Injuries
0
Property damage
$3,000
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

8 hail, 3 tornado. Local standard time, as filed.

Tornado, Lee

When
June 20, 12:06 PM CST
Where
Lee County
Rating
F0
Path width
33 yd
Property damage
$250
Coordinates
41.780, -89.080

Tornado, Lee

When
June 20, 12:30 PM CST
Where
Lee County
Rating
F1
Path length
0.1 mi
Path width
17 yd
Property damage
$3,000
Coordinates
41.800, -89.180

Hail, Kendall

When
June 20, 12:42 PM CST
Where
Kendall County
Measured
1.75 in hail
Coordinates
41.630, -88.450

Tornado, Lee

When
June 20, 1:15 PM CST
Where
Lee County
Rating
F0
Path width
33 yd
Property damage
$250
Coordinates
41.830, -89.000

Hail, Cook

When
June 20, 1:30 PM CST
Where
Cook County
Measured
1.75 in hail
Coordinates
41.770, -87.750

Hail, Cook

When
June 20, 1:30 PM CST
Where
Cook County
Measured
1.75 in hail
Coordinates
41.780, -87.880

Hail, Kankakee

When
June 20, 3:32 PM CST
Where
Kankakee County
Measured
1 in hail
Coordinates
41.170, -87.670

Hail, Fulton

When
June 20, 4:11 PM CST
Where
Fulton County
Measured
1 in hail
Coordinates
40.700, -90.000

Hail, Tazewell

When
June 20, 4:11 PM CST
Where
Tazewell County
Measured
1 in hail
Coordinates
40.700, -89.400

Hail, Tazewell

When
June 20, 5:30 PM CST
Where
Tazewell County
Measured
0.75 in hail
Coordinates
40.530, -89.350

Hail, Tazewell

When
June 20, 5:30 PM CST
Where
Tazewell County
Measured
0.75 in hail
Coordinates
40.430, -89.320

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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: 10010312, 10010313, 10010314, 10010315, 10010316, 10010317, 10010318, 10010319, 10010320, 10010321, 10010322.