Illinois, 1998

Flash Flooding in Illinois, May 19, 1998

May 19, 1998 · NWS LOT · 2 events in 2 counties and zones

Heavy rain caused street flooding in eastern De Kalb and western Kane Counties. Interstate 88 was closed due to flooding at Watson Road in Kane County.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
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  • Marine and coastal
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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.

What happened

The episode as NWS LOT wrote it up.

Heavy rain caused street flooding in eastern De Kalb and western Kane Counties. Interstate 88 was closed due to flooding at Watson Road in Kane County. Perry Road in northern De Kalb County was closed. There was standing water in fields and basements were flooded.

The radar

The Chicago radar (KLOT), 65 km away, was scanning. The volume nearest the first event began at 21:38 UTC.

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Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, De Kalb

When
May 19, 3:40 PM CST to 4:30 PM CST
Where
De Kalb County, Countywide
Coordinates
41.894, -88.770 (the zone’s center; the record gives no point)

Flash Flood, Kane

When
May 19, 3:40 PM CST to 4:30 PM CST
Where
Kane County, West Portion
Coordinates
41.939, -88.429 (the zone’s center; the record gives no point)

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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 historyWarnings in Illinois, May 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: 5651943, 5651944.