Illinois, 1972

Tornadoes and Hail in Illinois, July 17, 1972

July 17, 1972 · 7 events in 6 counties and zones

5 tornado, 1 hail, 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

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The toll

Deaths
0
Injuries
0
Property damage
$7.5 million
Crop damage
None recorded
Events
7

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

5 tornado, 1 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Putnam

When
July 17, 3:45 PM CST
Where
Putnam County
Measured
1.75 in hail
Coordinates
41.200, -89.400

Tornado, Marshall

When
July 17, 4:45 PM CST
Where
Marshall County
Rating
F3
Path length
15.2 mi
Path width
200 yd
Property damage
$2.5 million
Coordinates
41.070, -89.630

Thunderstorm Wind, Boone

When
July 17, 4:50 PM CST
Where
Boone County
Coordinates
42.280, -88.900

Tornado, Putnam

When
July 17, 5:00 PM CST
Where
Putnam County
Rating
F3
Path length
66.3 mi
Path width
33 yd
Coordinates
41.130, -89.350

Tornado, Stark

When
July 17, 6:06 PM CST
Where
Stark County
Rating
F1
Path length
29.6 mi
Path width
33 yd
Property damage
$2.5 million
Coordinates
41.100, -89.900

Tornado, Warren

When
July 17, 6:30 PM CST
Where
Warren County
Rating
F1
Path length
27.2 mi
Path width
33 yd
Property damage
$25,000
Coordinates
40.670, -90.500

Tornado, Du Page

When
July 17, 7:10 PM CST
Where
Du Page County
Rating
F2
Path width
33 yd
Property damage
$2.5 million
Coordinates
41.870, -88.130

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 1972Every state in 1972This day in weather historyThe tornado archive for Illinois, 1972

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: 10006778, 10006779, 10006780, 10006781, 10006782, 10006783, 10006784.