South Dakota

Storm History: Yankton County, South Dakota

677 episodes, 878 events since 1954

Every storm the National Weather Service has filed in Yankton County, South Dakota: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
878
Deaths
2
Injuries
4
Damage
$149 million
Episodes
677

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.

Open the live radar over Yankton County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Hail26500$3.7 million
Tornado9201$5.9 million
Flood7500$57 million
Drought5800$64 million
Flash Flood5400$17 million
Thunderstorm Wind5301$964,000
Winter Storm5200$40,000
Winter Weather5101
Blizzard4600$91,000
High Wind4500$182,000
Excessive Heat2310
Heavy Snow2000
Extreme Cold/Wind Chill1300
Cold/Wind Chill1000
Heat600
Lightning511$17,000
Ice Storm400$40,000
Wildfire300
Strong Wind200$10,000
Heavy Rain100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Yankton County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Yankton CountyEvery warning in Yankton County since 1986Every county in South Dakota

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.