South Dakota, 1970

Tornado and Hail in South Dakota, July 14, 1970

July 14, 1970 · 10 events in 7 counties and zones

8 hail, 1 thunderstorm wind, 1 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

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The toll

Deaths
1
Injuries
1
Property damage
$25 million
Crop damage
None recorded
Events
10

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

8 hail, 1 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Hutchinson

When
July 14, 12:15 PM CST
Where
Hutchinson County
Measured
3 in hail
Coordinates
43.500, -97.500

Hail, McCook

When
July 14, 1:35 PM CST
Where
McCook County
Measured
1.75 in hail
Coordinates
43.580, -97.080

Hail, Hutchinson

When
July 14, 1:35 PM CST
Where
Hutchinson County
Measured
1.75 in hail
Coordinates
43.280, -97.500

Hail, Minnehaha

When
July 14, 1:55 PM CST
Where
Minnehaha County
Measured
2.75 in hail
Coordinates
43.580, -96.680

Hail, Turner

When
July 14, 2:00 PM CST
Where
Turner County
Measured
2.75 in hail
Coordinates
43.380, -97.280

Hail, Turner

When
July 14, 2:01 PM CST
Where
Turner County
Measured
5 in hail
Coordinates
43.380, -97.080

Hail, Lincoln

When
July 14, 2:15 PM CST
Where
Lincoln County
Measured
1.75 in hail
Coordinates
43.280, -96.900

Hail, Deuel

When
July 14, 2:15 PM CST
Where
Deuel County
Measured
3 in hail
Coordinates
44.780, -96.680

Thunderstorm Wind, Yankton

When
July 14, 2:27 PM CST
Where
Yankton County
Measured
70 kt (81 mph)
Coordinates
42.880, -97.400

Tornado, Lincoln

When
July 14, 2:30 PM CST
Where
Lincoln County
Rating
F2
Path length
3.8 mi
Path width
33 yd
Deaths
1 direct, 0 indirect
Injuries
1 direct, 0 indirect
Property damage
$25 million
Coordinates
43.170, -96.800

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tornado, Lincoln1970-07-14Direct

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 1970Every state in 1970This day in weather historyThe tornado archive for South Dakota, 1970

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: 10116659, 10116660, 10116661, 10116662, 10116663, 10116664, 10116665, 10116666, 10116667, 10116668.