Illinois, 1998

Flooding in Illinois, June 21 to 30, 1998

June 21 to 30, 1998 · NWS PAH · 3 events in 3 counties and zones

4 feet at Thebes on June 26. Flood stage there is 33 feet.

Where it happened

Every event with a place to put it; 3 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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 PAH wrote it up.

The Mississippi River crested at 35.4 feet at Thebes on June 26. Flood stage there is 33 feet. This resulted in minor flooding of agricultural bottomland.

The radar

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

Open the radar archive at this moment

Event by event

3 flood. Local standard time, as filed.

Flood, Jackson

When
June 21, 9:00 AM CST to June 30, 8:00 PM CST
Where
Jackson forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
37.785, -89.382 (the zone’s center; the record gives no point)

Flood, Alexander

When
June 21, 9:00 AM CST to June 30, 8:00 PM CST
Where
Alexander forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
37.192, -89.338 (the zone’s center; the record gives no point)

Flood, Union

When
June 21, 9:00 AM CST to June 30, 8:00 PM CST
Where
Union forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
37.471, -89.255 (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, 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: 5659537, 5659538, 5659539.