Illinois, 1999

Hail and Damaging Winds in Illinois, June 10, 1999

June 10, 1999 · NWS LOT · 5 events in 5 counties and zones

4 thunderstorm wind, 1 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

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The toll

Deaths
0
Injuries
0
Property damage
$150,000
Crop damage
None recorded
Events
5

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), 38 km away, was scanning. The volume nearest the first event began at 17:13 UTC.

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Event by event

4 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Grundy

When
June 10, 11:15 AM CST
Where
Grundy County, Morris
Measured
50 kt (58 mph)
Property damage
$150,000
Reported by
EMERGENCY MANAGER
Coordinates
41.370, -88.420

Strong winds brought down tree branches and wires. Falling trees caused damage to buildings and at least one vehicle.

Thunderstorm Wind, Will

When
June 10, 3:20 PM CST
Where
Will County, New Lenox
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.520, -87.970

Three silos and a machine shed were destroyed. Tree limbs and wire were downed.

Thunderstorm Wind, Boone

When
June 10, 3:35 PM CST
Where
Boone County, Caledonia
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.370, -88.900

Tree limbs up to a foot in diameter were blown down.

Hail, Kendall

When
June 10, 4:15 PM CST
Where
Kendall County, Newark
Measured
1 in hail
Reported by
EMERGENCY MANAGER
Coordinates
41.530, -88.580

Thunderstorm Wind, De Kalb

When
June 10, 4:40 PM CST to 4:45 PM CST
Where
De Kalb County, Kirkland to De Kalb
Measured
69 kt (79 mph)
Reported by
EMERGENCY MANAGER
Coordinates
42.080, -88.850

60 mph winds were reported at Kirkland. Trees were uprooted northeast of Dekalb Airport and winds were estimated at 80 mph.

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.
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 1999Every state in 1999This day in weather historyWarnings in Illinois, June 1999

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: 5709899, 5709895, 5709896, 5709897, 5709898.