South Dakota

Storm History: Custer County, South Dakota

817 episodes, 1,661 events since 1955

Every storm the National Weather Service has filed in Custer 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
1,661
Deaths
0
Injuries
3
Damage
$13 million
Episodes
817

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 Custer 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
Hail71600$4.3 million
Winter Storm23400$1.0 million
High Wind16002$10,000
Heavy Snow9800$14,000
Thunderstorm Wind9700$30,000
Blizzard9600$1.8 million
Tornado7401$349,000
Flash Flood7000$4.5 million
Winter Weather5800$85,000
Extreme Cold/Wind Chill1700
Flood1600$213,000
Cold/Wind Chill1500
Lightning300$500,000
Wildfire200
Heat200
Heavy Rain200
Funnel Cloud100

The deadliest

None recorded.

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 Custer County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Custer CountyEvery warning in Custer 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.