Hail, Gregory
- When
- July 12, 5:00 PM CST
- Where
- Gregory County
- Measured
- 3 in hail
- Coordinates
- 43.000, -98.900
Tornadoes and Hail in South Dakota, July 12, 1965
2 hail, 2 thunderstorm wind, 2 tornado, 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
- $250,000
- Crop damage
- None recorded
- Events
- 6
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
2 hail, 2 thunderstorm wind, 2 tornado. Local standard time, as filed.
Hail, Clark
- When
- July 12, 5:00 PM CST
- Where
- Clark County
- Measured
- 2 in hail
- Coordinates
- 44.880, -97.680
Thunderstorm Wind, Bon Homme
- When
- July 12, 6:20 PM CST
- Where
- Bon Homme County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.000, -97.900
Tornado, Lawrence
- When
- July 12, 6:40 PM CST
- Where
- Lawrence County
- Rating
- F3
- Path length
- 11.4 mi
- Path width
- 1,600 yd
- Property damage
- $250,000
- Coordinates
- 44.250, -104.050
Tornado, Pennington
- When
- July 12, 7:00 PM CST
- Where
- Pennington County
- Rating
- F1
- Path width
- 33 yd
- Coordinates
- 44.130, -103.270
Thunderstorm Wind, Meade
- When
- July 12, 7:35 PM CST
- Where
- Meade County
- Measured
- 58 kt (67 mph)
- Coordinates
- 44.280, -103.400
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in South Dakota in 1965Every state in 1965This day in weather historyThe tornado archive for South Dakota, 1965
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: 10111400, 10111401, 10111402, 10111403, 10111404, 10111405.