Flood, Cook
- When
- October 17, 2:00 PM CST to 6:00 PM CST
- Where
- Cook County, Countywide
- Reported by
- UNKNOWN
- Coordinates
- 41.895, -87.646 (the zone’s center; the record gives no point)
Flooding in Illinois, October 17, 1998
Three to 5 inches of rain fell over parts of north central and northeast Illinois. Most of the rain fell from mid afternoon through early evening.
Where it happened
Every event with a place to put it; 5 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
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- 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.
What happened
The episode as NWS LOT wrote it up.
Three to 5 inches of rain fell over parts of north central and northeast Illinois. Most of the rain fell from mid afternoon through early evening. The heavy rain caused flooding of streets and small streams in the area.
The radar
The national radar mosaic for the moment the first event began.
Event by event
5 flood. Local standard time, as filed.
Flood, Kane
- When
- October 17, 2:00 PM CST to 6:00 PM CST
- Where
- Kane County, Countywide
- Reported by
- UNKNOWN
- Coordinates
- 41.939, -88.429 (the zone’s center; the record gives no point)
Flood, De Kalb
- When
- October 17, 2:00 PM CST to 6:00 PM CST
- Where
- De Kalb County, Countywide
- Reported by
- UNKNOWN
- Coordinates
- 41.894, -88.770 (the zone’s center; the record gives no point)
Flood, La Salle
- When
- October 17, 2:00 PM CST to 6:00 PM CST
- Where
- La Salle County, Countywide
- Reported by
- UNKNOWN
- Coordinates
- 41.344, -88.886 (the zone’s center; the record gives no point)
Flood, Lee
- When
- October 17, 2:00 PM CST to 6:00 PM CST
- Where
- Lee County, Countywide
- Reported by
- UNKNOWN
- Coordinates
- 41.746, -89.300 (the zone’s center; the record gives no point)
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flooding in Texas, October 17 to 19, 1998
- Flooding in Texas, October 17 to 21, 1998
- Flooding in Texas, October 17 to 20, 1998
- Flooding in Texas, October 17 to 20, 1998
- Flood in Texas, October 17 to 20, 1998
- Flood in Texas, October 17 to 19, 1998
- Flood in Texas, October 17 to 19, 1998
- Flood in Texas, October 17 to 18, 1998
- Flood in Texas, October 17 to 18, 1998
- Flood in Texas, October 17 to 19, 1998
- Flooding in Texas, October 17 to 20, 1998
- Tornadoes in Texas, October 17, 1998
More
Every storm in Illinois in 1998Every state in 1998This day in weather historyWarnings in Illinois, October 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 2026-10-01. Each event’s entry at NCEI: 5667915, 5667916, 5667917, 5667918, 5667919.