Illinois, 1998

Flooding in Illinois, July 30, 1998

July 30, 1998 · NWS LSX · 2 events in 2 counties and zones

Rainfall of 2 to 3 inches caused some minor flooding across the area. A few roads were closed for short periods due to the flooding.

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.

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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 LSX wrote it up.

Rainfall of 2 to 3 inches caused some minor flooding across the area. A few roads were closed for short periods due to the flooding. One of the harder hit areas was the town of Mitchell, in Madison County. Several roads had to be closed into the next day due to an overflowing drainage creek.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

2 flood. Local standard time, as filed.

Flood, Madison

When
July 30, 9:00 AM CST to 12:00 PM CST
Where
Madison County, Countywide
Reported by
NEWSPAPER
Coordinates
38.830, -89.905 (the zone’s center; the record gives no point)

Flood, St. Clair

When
July 30, 9:00 AM CST to 12:00 PM CST
Where
St. Clair County, Countywide
Reported by
NEWSPAPER
Coordinates
38.470, -89.928 (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

More

Every storm in Illinois in 1998Every state in 1998This day in weather historyWarnings in Illinois, July 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: 5663388, 5663389.