Hail, Sully
- When
- July 20, 12:45 AM CST
- Where
- Sully County
- Measured
- 0.75 in hail
- Coordinates
- 44.770, -100.120
Hail in South Dakota, July 20, 1991
5 hail, as filed by the National Weather Service.
Where it happened
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
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.
Event by event
5 hail. Local standard time, as filed.
Hail, Sully
- When
- July 20, 1:30 AM CST
- Where
- Sully County
- Measured
- 0.75 in hail
- Coordinates
- 44.770, -100.120
Hail, McCook
- When
- July 20, 4:55 PM CST
- Where
- McCook County
- Measured
- 1 in hail
- Coordinates
- 43.730, -97.600
Hail, McCook
- When
- July 20, 5:20 PM CST
- Where
- McCook County
- Measured
- 4.5 in hail
- Coordinates
- 43.780, -97.530
Hail, Charles Mix
- When
- July 20, 6:50 PM CST
- Where
- Charles Mix County
- Measured
- 1.75 in hail
- Coordinates
- 43.080, -98.300
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Damaging Winds in Florida, July 20, 1991
- Damaging Winds in Georgia, July 20, 1991
- Damaging Wind in Iowa, July 20, 1991
- Hail in Vermont, July 20, 1991
- Damaging Wind in West Virginia, July 20, 1991
- Damaging Wind in North Carolina, July 20, 1991
- Hail in Montana, July 20, 1991
- Damaging Wind in Louisiana, July 20, 1991
- Hail in Minnesota, July 20, 1991
More
Every storm in South Dakota in 1991Every state in 1991This day in weather historyWarnings in South Dakota, July 1991
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: 10127098, 10127099, 10127100, 10127101, 10127102.