Perkins County, South Dakota

County storm and disaster record · FIPS 46105 · population 2,834 · 2,870 sq mi

NOAA's Storm Events Database holds 1,026 records for Perkins County, South Dakota from 1950 through June 30, 2026, on 586 days; the most frequent are hail reports (337 records). The most damaging was the March 23, 2009 blizzard ($5.8 million in 2025 dollars). FEMA has issued 21 declarations naming the county since 1976, 19 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm, Snowstorm, and Flooding” on June 7, 2019.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
1,026on 586 days, 1950 to June 30, 2026
Deaths recorded
04 injuries
Damage, 2025 dollars
$23Mas filed (scale steps before 1993)
Tornadoes
45strongest EF2
FEMA declarations
21latest 2020

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Perkins County most?

The most frequent records are hail reports: 337 since 1957. 68% of its hail reports since 1957 fell in June and July. The rank column places the county among South Dakota's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Perkins County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Hail 337 181 1957-2025 0 0 $2.8M 63 of 66
Severe thunderstorm wind 310 167 1962-2026 0 0 $6.2M 64 of 66
High wind and dust storms 160 152 1996-2026 0 0 $96K 46 of 66
Winter storms 122 116 1996-2025 0 0 $7.7M 64 of 66
Tornadoes 45 24 1957-2023 0 4 $3.5M 58 of 66
Floods 30 27 1996-2023 0 0 $2.5M 64 of 66
Extreme cold 14 11 1997-2025 0 0 – 65 of 66
Fog, smoke and funnel clouds 4 4 2001-2020 0 0 – 41 of 66
Wildfires 2 2 2000-2000 0 0 – 37 of 66
Heat 1 1 2006-2006 0 0 – 65 of 66
Heavy rain 1 1 2006-2006 0 0 – 33 of 66

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Perkins County had?

NOAA records 45 tornadoes in Perkins County from 1957 to 2023, the strongest rated EF2, with 0 deaths and 4 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 46 tornadoes whose track touched Perkins County since 1950 (NOAA's county records number 45: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in South Dakota.

Every tornado record filed for Perkins County (45)
Every tornado recorded in Perkins County, newest first
DatePlaceCharacterKilledInjuredDamage
2023-06-21 Lemmon, Perkins County EF0 1.76 mi x 50 yd 0 0 –
2021-05-23 Meadow, Perkins County EFU 4.26 mi x 10 yd 0 0 –
2021-05-23 Usta, Perkins County EFU 2.13 mi x 10 yd 0 0 –
2015-06-21 Meadow, Perkins County EF0 0.01 mi x 40 yd 0 0 –
2015-06-21 Lodgepole, Perkins County EF0 2.05 mi x 20 yd 0 0 –
2015-06-21 Meadow, Perkins County EF0 2.58 mi x 20 yd 0 0 –
2015-06-21 Bison, Perkins County EF0 2.97 mi x 100 yd 0 0 –
2015-06-21 Lodgepole, Perkins County EF0 5.11 mi x 50 yd 0 0 –
2010-05-24 Shadehill, Perkins County EF0 0.05 mi x 30 yd 0 0 $677
2010-05-24 Usta, Perkins County EF2 22.85 mi x 440 yd 0 0 $135K
2010-05-24 Meadow, Perkins County EF2 8.23 mi x 440 yd 0 0 $135K
2003-05-03 Bison, Perkins County F0 0.5 mi x 10 yd 0 0 –
1996-05-30 Lemmon, Perkins County F0 0 0 –
1993-08-13 W Of Usta, Perkins County F0 0.5 mi x 35 yd 0 3 $102K
1992-07-06 Perkins County F1 1.5 mi x 30 yd 0 0 $250K step
1991-05-14 Perkins County F1 0.5 mi x 300 yd 0 0 $250K step
1986-07-18 Perkins County F0 0.1 mi x 40 yd 0 0 –
1986-07-18 Perkins County F2 10.5 mi x 140 yd 0 0 $3K step
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County F0 0 0 $25K step
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1980-06-04 Perkins County 0 0 –
1978-06-30 Perkins County 0 0 –
1978-06-15 Perkins County 0 0 –
1978-06-06 Perkins County 0 0 $250K step
1973-06-02 Perkins County F1 0.9 mi x 17 yd 0 0 $3K step
1972-05-25 Perkins County F0 0 0 –
1972-05-25 Perkins County F2 2 mi x 50 yd 0 0 $25K step
1969-08-12 Perkins County F2 6.1 mi x 33 yd 0 1 $25K step
1969-07-17 Perkins County F2 0 0 $25K step
1968-06-20 Perkins County F2 0 0 –
1967-05-23 Perkins County F0 0 0 $3K step
1964-08-01 Perkins County F2 0.8 mi x 100 yd 0 0 $25K step
1962-06-21 Perkins County F0 0 0 –
1962-06-14 Perkins County F1 0 0 –
1957-06-03 Perkins County F1 0 0 $250 step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Perkins County?

The most recent record with damage, injuries or deaths is the May 22, 2019 flood ($289,000 in damage in 2025 dollars).

Runoff from heavy rain caused flooding upstream of Shadehill Reservoir and along the Moreau River. Date Road south of SD Highway 20 was closed, Rabbit Creek covered a couple of county roads, a culvert on Zeona Road was washed out, and county roads C5 and C1 were inundated with water.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 831064)
The 12 most recent records kept for Perkins County
DateRecordCharacterKilledInjuredDamage
2026-06-07 Thunderstorm WindPrairie City, Perkins County 52 kt wind 0 0 –
2026-01-21 High WindPerkins County · forecast zone Northern Perkins 54 kt wind 0 0 –
2025-12-18 High WindPerkins County · forecast zone Northern Perkins 66 kt wind 0 0 –
2025-12-18 High WindPerkins County · forecast zone Northern Perkins 66 kt wind 0 0 –
2025-12-18 High WindPerkins County · forecast zone Northern Perkins 70 kt wind 0 0 –
2025-12-18 High WindPerkins County · forecast zone Northern Perkins 79 kt wind 0 0 –
2025-08-01 HailUsta, Perkins County 1.00 in hail 0 0 –
2025-07-09 Thunderstorm WindUsta, Perkins County 52 kt wind 0 0 –
2025-07-09 Thunderstorm WindUsta, Perkins County 56 kt wind 0 0 –
2025-06-20 HailLodgepole, Perkins County 1.25 in hail 0 0 –
2025-06-20 Thunderstorm WindShadehill, Perkins County 56 kt wind 0 0 –
2025-06-20 HailLodgepole, Perkins County 1.25 in hail 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Perkins County, most deaths first
DateRecordCharacterKilledInjuredDamage
1993-08-13 TornadoW Of Usta, Perkins County A tornado picked up a mobile home and turned it upside down, destroying the trailer. Three people inside the mobile home received minor bruises. Structures beside the mobile were untouched by the storm. F0 0.5 mi x 35 yd 0 3 $102K
1969-08-12 TornadoPerkins County F2 6.1 mi x 33 yd 0 1 $25K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

The costliest records in Perkins County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2009-03-23 BlizzardPerkins County · forecast zone Perkins 0 0 $5.8M
1999-08-11 Thunderstorm WindLemmon, Perkins County 0 0 $2.7M
2009-07-08 HailLemmon, Perkins County 2.75 in hail 0 0 $2.1M
2010-06-21 Thunderstorm WindLemmon, Perkins County 74 kt wind 0 0 $1.0M
2009-03-30 BlizzardPerkins County · forecast zone Perkins 0 0 $963K
2005-07-21 Thunderstorm WindBison, Perkins County 70 kt wind 0 0 $756K
2000-07-14 Thunderstorm WindLodgepole, Perkins County 0 0 $471K
2013-05-25 HailLemmon, Perkins County 1.75 in hail 0 0 $380K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $250K, in the dollars of the day) holds: June 6, 1978 (tornado, Perkins County); May 14, 1991 (tornado, Perkins County); July 6, 1992 (tornado, Perkins County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Perkins County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Perkins County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Hail45881810612959
Severe thunderstorm wind02112156314473
High wind and dust storms––––12515146
Winter storms––––20343731
Tornadoes176154183
Floods––––35211

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

68% of its hail reports since 1957 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 43 · Feb 43 · Mar 42 · Apr 34 · May 89 · Jun 232 · Jul 268 · Aug 119 · Sep 44 · Oct 32 · Nov 36 · Dec 44 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Perkins County

FEMA's register lists 21 declarations that include Perkins County: 18 major disasters, 3 emergencies and 0 fire management assistance declarations. Most were for severe storm (11) and flood (4).

Declarations including Perkins County, newest first
DeclaredNumberTypeTitle
2020-04-05DR-4527BiologicalCovid-19 Pandemic
2020-03-13EM-3475BiologicalCovid-19
2019-06-07DR-4440FloodSevere Winter Storm, Snowstorm, and Flooding
2017-02-01DR-4298Severe StormSevere Winter Storm
2014-07-28DR-4186FloodSevere Storms, Tornadoes, and Flooding
2013-11-08DR-4155Severe StormSevere Winter Storm, Snowstorm, and Flooding
2011-05-13DR-1984FloodFlooding
2010-07-29DR-1929Severe StormSevere Storms, Tornadoes, and Flooding
2010-05-13DR-1914Severe StormSevere Winter Storm
2010-03-10DR-1887Severe StormSevere Winter Storm
2010-03-09DR-1886Severe StormSevere Winter Storm and Snowstorm
2009-06-16DR-1844Severe StormSevere Storms and Flooding
2008-12-12DR-1811SnowstormSevere Winter Storm and Record and Near Record Snow
2008-07-09DR-1774Severe StormSevere Storms and Flooding
2008-05-22DR-1759SnowstormSevere Winter Storm and Record and Near Record Snow
2006-06-05DR-1647Severe StormSevere Winter Storm
2005-09-10EM-3234Coastal StormHurricane Katrina Evacuation
1997-04-07DR-1173FloodSevere Flooding, Sever Winter Storms,Heavy Rains High Winds
1997-02-28DR-1161Severe StormSevere Winter Storm
1997-01-10DR-1156Severe StormSevere Winter Storms and Blizzard Conditions
1976-06-17EM-3015DroughtDrought

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

FEMA's modeled risk for Perkins County

FEMA's National Risk Index rates Perkins County Very Low overall, with an expected annual loss of $3.1 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Perkins County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
WildfireRelatively Low$216Konce in about 834 years (modeled)
Winter WeatherRelatively Low$92K16 a year (modeled)
Cold WaveRelatively Low$1.3M8.6 a year (modeled)
Ice StormRelatively Low$71Konce in about 2 years (modeled)
HailRelatively Low$193K2.7 a year (modeled)
Strong WindRelatively Low$202K2.1 a year (modeled)
DroughtVery Low$5K52 modeled event-days a year
LandslideVery Low$100about once a year (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Perkins County

  1. Meade County 2,685
  2. Harding County 1,107
  3. Perkins County 1,026
  4. Butte County 966
  5. Corson County 939
  6. Ziebach County 738
  7. Adams County, ND 510

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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