South Dakota, 1998Damaging Winds in South Dakota, August 23, 1998
August 23, 1998 · NWS ABR · 4 events in 4 counties and zones
4 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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
Open the live radar over this ground
- 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.
Thunderstorm Wind, Grant
- When
- August 23, 1:50 AM CST to 2:05 AM CST
- Where
- Grant County, Milbank
- Measured
- 56 kt (64 mph)
- Reported by
- NEWSPAPER
- Coordinates
- 45.220, -96.630
Winds gusting to 65 mph in and around Milbank took the roof off a mobile home in southeast Milbank and wrapped it around a utility pole. The people inside the mobile home got out uninjured, but their belongings inside were rain soaked. The Summit Dairy Barn had sustained major damage. The high winds also blew a shed and a large tennis court fence down. Several trees along with many large tree branches were downed all over town. The power was out on the west side of town for a few hours.
Thunderstorm Wind, Day
- When
- August 23, 1:53 AM CST
- Where
- Day County, Roslyn
- Measured
- 61 kt (70 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 45.500, -97.500
Winds gusting to 70 mph downed many large branches in Roslyn. Power was also knocked out for a time in town.
Thunderstorm Wind, Roberts
- When
- August 23, 2:00 AM CST
- Where
- Roberts County, Wilmot
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 45.400, -96.870
Winds gusting to 60 mph brought several large branches down in Wilmot.
Thunderstorm Wind, Codington
- When
- August 23, 2:00 AM CST
- Where
- Codington County, 3 mi N of Watertown
- Measured
- 52 kt (60 mph)
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 44.950, -97.100
Winds of 60 mph downed many branches north of Watertown and also blew a barn door off.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flooding in Texas, August 23 to 24, 19989 deaths · 150 injured · $40 million · 3 events
- Flash Flooding in Texas, August 23, 19984 deaths · $1.0 million · 5 events
- Flooding in Texas, August 23, 199850 injured · $1.4 million · 3 events
- Tornadoes and Hail in Wisconsin, August 23, 19982 injured · $6.5 million · F3 · 28 events
- Rip Current in Florida, August 23, 19982 deaths · 1 event
- Flash Flooding in Texas, August 23, 199815 injured · $170,000 · 10 events
- Flood in Texas, August 23, 199820 injured · $30,000 · 1 event
- Hail in Minnesota, August 23, 1998$50 million · 3.5 in hail · 1 event
- Rip Current in Delaware, August 23 to 29, 19981 death · 1 event
- Rip Current in Florida, August 23, 19981 death · 1 event
- Heat in Missouri, August 23 to 25, 199810 injured · 13 events
- Tornadoes and Hail in Montana, August 23, 1998$301,000 · F0 · 12 events
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: 5664582, 5664581, 5664583, 5664584.