Flood, Keokuk
- When
- July 21, 10:47 PM CST to July 22, 3:00 AM CST
- Where
- Keokuk County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.337, -92.179 (the zone’s center; the record gives no point)
Flooding in Iowa, July 21 to 22, 1998
Heavy rain fell over sections of Southeast Iowa overnight. Over 4 inches of rain fell in the heaviest band from east of Sigourney to Washington.
Where it happened
Every event with a place to put it; 4 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
- 4
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 DVN wrote it up.
Heavy rain fell over sections of Southeast Iowa overnight. Over 4 inches of rain fell in the heaviest band from east of Sigourney to Washington. Ponding of water on roadways and flooded drainage ditches were reported in Muscatine.
The radar
The national radar mosaic for the moment the first event began.
Event by event
4 flood. Local standard time, as filed.
Flood, Louisa
- When
- July 21, 10:47 PM CST to July 22, 3:00 AM CST
- Where
- Louisa County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.219, -91.260 (the zone’s center; the record gives no point)
Flood, Muscatine
- When
- July 21, 10:47 PM CST to July 22, 3:00 AM CST
- Where
- Muscatine County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.484, -91.113 (the zone’s center; the record gives no point)
Flood, Washington
- When
- July 21, 10:47 PM CST to July 22, 3:00 AM CST
- Where
- Washington County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.336, -91.718 (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
- Hail and Damaging Winds in Michigan, July 21, 1998
- Damaging Winds in Wisconsin, July 21, 1998
- Flooding and Hail in Indiana, July 21, 1998
- Heat in Texas, July 21, 1998
- Heat in Oklahoma, July 21, 1998
- Lightning Strike in Nebraska, July 21, 1998
- Heat in Missouri, July 21, 1998
- Damaging Wind in Ohio, July 21, 1998
- Damaging Winds and Lightning Strikes in Michigan, July 21, 1998
- Lightning Strike in Ohio, July 21, 1998
- Damaging Winds and Lightning Strike in Maryland, July 21, 1998
- Hail and Damaging Winds in Ohio, July 21, 1998
More
Every storm in Iowa in 1998Every state in 1998This day in weather historyWarnings in Iowa, 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: 5666539, 5666540, 5666541, 5666542.