Flash Flood, Yankton
- When
- July 6, 4:30 PM CST to 6:40 PM CST
- Where
- Yankton County, Lesterville
- Property damage
- $50,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 43.009, -97.395 (the zone’s center; the record gives no point)
Flash Flood in South Dakota, July 6, 1998
2 to 5 inches of rain in an hour or less caused flash flooding of lowlands and small streams, including Marne Creek in Yankton. Some roads were flooded.
Where it happened
Every event with a place to put it; 1 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
- $50,000
- Crop damage
- None recorded
- Events
- 1
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 FSD wrote it up.
2 to 5 inches of rain in an hour or less caused flash flooding of lowlands and small streams, including Marne Creek in Yankton. Some roads were flooded. Damage occurred to a few homes from water seepage, mainly in the Lesterville and Utica areas where the heaviest rain fell.
The radar
The Sioux Falls radar (KFSD), 84 km away, was scanning. The volume nearest the first event began at 22:30 UTC.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Oklahoma, July 6 to 31, 1998
- Lightning Strike in Florida, July 6, 1998
- Drought in Oklahoma, July 6 to 31, 1998
- Flooding in Iowa, July 6 to 10, 1998
- Hail and Damaging Winds in South Dakota, July 6, 1998
- Hail in South Dakota, July 6, 1998
- Flash Flooding and Flood in Arizona, July 6 to 31, 1998
- Tornado and Flash Flooding in Iowa, July 6 to 7, 1998
- Tornadoes and Hail in Nebraska, July 6, 1998
- Hail and Damaging Winds in South Dakota, July 6, 1998
- Hail in Montana, July 6, 1998
- Damaging Wind in South Dakota, July 6, 1998
More
Every storm in South Dakota in 1998Every state in 1998This day in weather historyWarnings in South Dakota, 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 2026-10-01. Each event’s entry at NCEI: 5656887.