Flood, Butte / Except X Sw Butte
- When
- June 18, 9:00 PM MST to June 20, 7:00 AM MST
- Where
- Butte / Except X Sw Butte forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 44.906, -103.508 (the zone’s center; the record gives no point)
Flooding in South Dakota, June 18 to 21, 1998
Heavy rain during the overnight and afternoon hours of the 17th and 18th resulted in low land flooding along the south fork of the Moreau river in northern Butte county and later along the mainstream of the Moreau river in southern Perkins county. The heavy rains also caused some low land flooding along the Cheyenne river, downstream of the confluence with the Belle Fourche river in southern…
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.
- 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
- 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 UNR wrote it up.
Heavy rain during the overnight and afternoon hours of the 17th and 18th resulted in low land flooding along the south fork of the Moreau river in northern Butte county and later along the mainstream of the Moreau river in southern Perkins county. The heavy rains also caused some low land flooding along the Cheyenne river, downstream of the confluence with the Belle Fourche river in southern Perkins county. No injuries or damage were reported with the flooding along either river.
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 flood. Local standard time, as filed.
Flood, Perkins
- When
- June 19, 10:00 AM MST to June 21, 6:00 PM MST
- Where
- Perkins forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 45.491, -102.476 (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
- Tornadoes and Damaging Winds in Wisconsin, June 18, 1998
- Tornado and Flash Flooding in Iowa, June 18, 1998
- Flood and Hail in Wisconsin, June 18, 1998
- Tornadoes and Hail in Illinois, June 18, 1998
- Flooding in Iowa, June 18 to 20, 1998
- Tornadoes and Hail in Iowa, June 18, 1998
- Tornadoes and Hail in Minnesota, June 18, 1998
- Damaging Winds in Iowa, June 18, 1998
- Flash Flood in Maine, June 18, 1998
- Tornado and Flash Flooding in North Dakota, June 18, 1998
- Tornado and Flash Flooding in Oklahoma, June 18 to 19, 1998
- Flood in Nebraska, June 18, 1998
More
Every storm in South Dakota in 1998Every state in 1998This day in weather historyWarnings in South Dakota, 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 2026-10-01. Each event’s entry at NCEI: 5653029, 5653030.