South Dakota

Storm History: McPherson County, South Dakota

460 episodes, 650 events since 1955

Every storm the National Weather Service has filed in McPherson 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
650
Deaths
4
Injuries
7
Damage
$8.7 million
Episodes
460

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 McPherson 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
Hail19700$2,000
Tornado10025$3.3 million
High Wind5700
Flash Flood5200$94,000
Blizzard4610
Extreme Cold/Wind Chill4400
Thunderstorm Wind3200
Drought3200
Winter Storm2700
Heavy Snow2412
Flood1500$5.0 million
Excessive Heat600
Winter Weather500
Ice Storm400$270,000
Cold/Wind Chill400
Wildfire200
Heat200
Freezing Fog100

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 McPherson County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in McPherson CountyEvery warning in McPherson 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.