Illinois, 1998

Tornado and Hail in Illinois, June 18, 1998

June 18, 1998 · NWS LOT · 14 events in 12 counties and zones

A squall line moved east across north central and northeast Illinois causing widespread wind damage to trees and power lines. In Winnebago County, there were numerous trees and tree limbs downed in Loves Park and Machesney Park and the roof was torn off a sheet metal business.

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
1
Property damage
None recorded
Crop damage
None recorded
Events
14

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.

What happened

The episode as NWS LOT wrote it up.

A squall line moved east across north central and northeast Illinois causing widespread wind damage to trees and power lines. In Winnebago County, there were numerous trees and tree limbs downed in Loves Park and Machesney Park and the roof was torn off a sheet metal business. A small, brief tornado occurred in a field between Nelson and Dixon in Lee County. Golfball size hail was reported at the La Salle/Putnam County line and trees and utility poles were downed in western La Salle County. In Boone County, at Oak Lawn mobile home park at Poplar Grove many trees and limbs were blown down. Mobile homes and vehicles were damaged. A 120 year old, landmark barn was destroyed between Capron and Poplar Grove. Tree limbs and power lines were reported to be blown down in De Kalb and McHenry Counties. In Kane County trees were damaged in several towns along Highway 25. In Kendall County, a ham radio operator/storm spotter in Sandwich recorded a 74 mph wind gust and a large tree fell on a house in Yorkville. In Will County, a 70 mph wind gust was recorded at the NWS office in Romeoville. A bleacher was blown over in Homer Township. Wind gusts blew vehicles off I-80 just east of I-55 in Joliet. In Du Page County the scoreboard was destroyed at Naperville North High School and trees were downed in Bolingbrook. In Lake County a mobile home was blown over at Wadsworth. In Cook County, observers measured a 58 mph wind gust on the west side of Chicago and a 64 mph wind gust in Midlothian. Trees were damaged in the north suburbs of Glencoe, Wilmette and Winetka. The gym roof at Field School in Northbrook was peeled off. Four planes were damaged at Palwaukee Airport. In the west and south suburbs, the roof of a transmission shop was damaged in Bridgeview. Trees were blown down in Brookfield and Hodgkins. Siding on houses and fences were also damaged. In Evergreen Park a tree fell, damaging 2 houses. A 22 year old man was seriously injured when a tree fell on him in Chicago. Funnel clouds were spotted in Lake County and waterspouts were seen east of Wilmette. Damage to power lines resulted in 156,000 customers losing power.

The radar

The Quad Cities radar (KDVN), 84 km away, was scanning. The volume nearest the first event began at 23:57 UTC.

Open the radar archive at this moment

Event by event

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

Tornado, Lee

When
June 18, 5:55 PM CST
Where
Lee County, Nelson
Rating
F0
Path length
0.5 mi
Path width
20 yd
Reported by
NEWSPAPER
Coordinates
41.800, -89.600

Thunderstorm Wind, Lee

When
June 18, 5:55 PM CST
Where
Lee County, Dixon
Measured
50 kt (58 mph)
Reported by
NEWSPAPER
Coordinates
41.830, -89.480

Thunderstorm Wind, Winnebago

When
June 18, 6:05 PM CST
Where
Winnebago County, Loves Park
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
42.320, -89.050

Hail, La Salle

When
June 18, 6:11 PM CST
Where
La Salle County, Countywide
Measured
1.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
41.280, -88.870

Thunderstorm Wind, La Salle

When
June 18, 6:11 PM CST
Where
La Salle County, Countywide
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.280, -88.870

Thunderstorm Wind, Boone

When
June 18, 6:15 PM CST
Where
Boone County, Poplar Grove
Measured
50 kt (58 mph)
Reported by
NEWSPAPER
Coordinates
42.370, -88.830

Thunderstorm Wind, De Kalb

When
June 18, 6:20 PM CST
Where
De Kalb County, Countywide
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.880, -88.730

Thunderstorm Wind, McHenry

When
June 18, 6:30 PM CST
Where
McHenry County, Countywide
Measured
50 kt (58 mph)
Reported by
NEWSPAPER
Coordinates
42.320, -88.430

Thunderstorm Wind, Kane

When
June 18, 6:40 PM CST
Where
Kane County, Countywide
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.920, -88.370

Thunderstorm Wind, Kendall

When
June 18, 7:05 PM CST
Where
Kendall County, Sandwich to Yorkville
Measured
64 kt (74 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.650, -88.620

Thunderstorm Wind, Will

When
June 18, 7:20 PM CST to 7:30 PM CST
Where
Will County, Romeoville to Joliet
Measured
61 kt (70 mph)
Reported by
OFFICIAL NWS OBS.
Coordinates
41.630, -88.070

Thunderstorm Wind, Du Page

When
June 18, 7:28 PM CST
Where
Du Page County, Naperville to Bolingbrook
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.780, -88.150

Thunderstorm Wind, Cook

When
June 18, 7:35 PM CST to 7:50 PM CST
Where
Cook County, Chicago to Midlothian
Measured
56 kt (64 mph)
Injuries
1 direct, 0 indirect
Reported by
TRAINED SPOTTER
Coordinates
41.830, -87.650

Thunderstorm Wind, Lake

When
June 18, 7:52 PM CST
Where
Lake County, Wadsworth
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
42.430, -87.920

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.
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.
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 1998Every state in 1998This day in weather historyThe tornado archive for Illinois, 1998Warnings in Illinois, June 1998

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: 5655816, 5655817, 5655815, 5655818, 5655819, 5655820, 5655821, 5655822, 5655823, 5655824, 5655828, 5655827, 5655826, 5655825.