South Dakota

Storm History: Aurora County, South Dakota

515 episodes, 645 events since 1958

Every storm the National Weather Service has filed in Aurora 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
645
Deaths
2
Injuries
7
Damage
$54 million
Episodes
515

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 Aurora 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
Hail17200$746,000
Tornado5301$432,000
High Wind5200$162,000
Winter Weather5205
Winter Storm4800
Drought4800$31 million
Blizzard4500$185,000
Thunderstorm Wind3800$368,000
Flash Flood3700$169,000
Excessive Heat2000
Heavy Snow1900$5,000
Flood1600$20 million
Extreme Cold/Wind Chill1600
Cold/Wind Chill1400
Heat500
Ice Storm421$1.1 million
Strong Wind300
Lightning100$1,000
Funnel Cloud100
Wildfire100$6,000

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 Aurora County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Aurora CountyEvery warning in Aurora 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.