Hail and Damaging Winds in South Dakota, May 10, 1986

Name: Hail and Damaging Winds in South Dakota, May 10, 1986
Start: 1986-05-10T00:40
End: 1986-05-10T16:38
Location: South Dakota

May 10, 1986 · NWS FSD · 3 events in 3 counties and zones

2 thunderstorm wind, 1 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

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

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

Thunderstorm Wind, Hamlin

When: May 10, 12:40 AM CST
Where: Hamlin County
Coordinates: 44.780, -97.230

Thunderstorm Wind, Roberts

When: May 10, 2:40 AM CST
Where: Roberts County
Coordinates: 45.400, -96.870

Hail, Hanson

When: May 10, 4:38 PM CST
Where: Hanson County
Measured: 1.25 in hail
Coordinates: 43.870, -97.350

What these are

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.
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

Every storm in South Dakota in 1986 Every state in 1986 This day in weather history Warnings in South Dakota, May 1986

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: 10125942, 10125943, 10125944.