Flood, Sioux
- When
- June 19, 6:00 PM CST to June 24, 6:00 PM CST
- Where
- Sioux forecast zone
- Property damage
- $200,000
- Crop damage
- $500,000
- Coordinates
- 43.083, -96.178 (the zone’s center; the record gives no point)
Rainfall of 5 to 15 inches during a 30 hour period caused widespread lowland, crop, urban, and river flooding. Rivers and streams including the Big Sioux, Little Sioux, West Fork Little Sioux, and Floyd Rivers were over flood stage for 2 to 6 days.
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.
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.
The episode as NWS FSD wrote it up.
Rainfall of 5 to 15 inches during a 30 hour period caused widespread lowland, crop, urban, and river flooding. Rivers and streams including the Big Sioux, Little Sioux, West Fork Little Sioux, and Floyd Rivers were over flood stage for 2 to 6 days. The flooding caused widespread destruction of crops, drowned livestock, flooded and washed out roads, and flooded homes and other buildings, damaging contents.
The national radar mosaic for the moment the first event began.
5 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 1996Every state in 1996This day in weather historyWarnings in Iowa, June 1996
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: 5561631, 5561632, 5561633, 5561634, 5561635.