South Dakota

Storm History: Buffalo County, South Dakota

355 episodes, 416 events since 1955

Every storm the National Weather Service has filed in Buffalo 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
416
Deaths
1
Injuries
10
Damage
$26 million
Episodes
355

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 Buffalo 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
Hail10500
High Wind6400
Blizzard4200
Tornado39010$25 million
Drought3900
Extreme Cold/Wind Chill2300
Winter Storm2200
Heavy Snow2100
Flood1500$1.0 million
Flash Flood1310$159,000
Thunderstorm Wind1200
Excessive Heat1000
Wildfire400$30,000
Cold/Wind Chill300
Heat200
Funnel Cloud100
Winter Weather100

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 Buffalo County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Buffalo CountyEvery warning in Buffalo 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.