Illinois, 1997

Tornado and Damaging Wind in Illinois, June 11, 1997

June 11, 1997 · NWS LOT · 2 events in 2 counties and zones

1 thunderstorm wind, 1 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
None recorded
Crop damage
None recorded
Events
2

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.

The radar

The Chicago radar (KLOT), 25 km away, was scanning. The volume nearest the first event began at 18:12 UTC.

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Cook

When
June 11, 12:10 PM CST
Where
Cook County, Hickory Hills
Coordinates
41.720, -87.820

A thunderstorm produced downburst winds and heavy rain. Large tree limbs were blown down, fences were blown over and streets and basements were flooded.

Tornado, La Salle

When
June 11, 12:45 PM CST
Where
La Salle County, 8 mi N of Ottawa
Rating
F0
Path length
1 mi
Path width
30 yd
Coordinates
41.470, -88.850

State police reported a tornado over an open field. There were no damages.

What these are

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

More

Every storm in Illinois in 1997Every state in 1997This day in weather historyThe tornado archive for Illinois, 1997Warnings in Illinois, June 1997

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: 5609388, 5609389.