County Hazards

States › Oklahoma › McClain County

McClain County, Oklahoma

Recorded hazard history: storm events since 1950, federal disaster declarations since 1953, flood insurance claims since 1978, and FEMA's risk index.

FIPS 40087 · 43,516 residents (2021) · 571 sq mi · dominant hazard Hail

Hail · 418Tornado · 84Flood · 33Wind · 256Winter · 57
2026-05-08: Hail2026-03-07: Hail2025-06-03: Hail2025-06-03: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-25: Hail2025-05-19: Hail2025-05-17: Hail2025-04-28: Hail2025-04-28: Hail2025-04-28: Hail2025-04-28: Hail2025-04-28: Hail2025-04-28: Hail2025-04-28: Hail2025-04-18: Hail2025-03-29: Hail2024-08-11: Hail2024-05-09: Hail2024-05-09: Hail2024-04-27: Hail2024-04-09: Hail2023-10-04: Hail2023-09-19: Hail2023-09-19: Hail2023-06-15: Hail2023-06-15: Hail2023-06-12: Hail2023-06-12: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-04-19: Hail2023-03-23: Hail2023-02-26: Hail2023-02-26: Hail2022-05-02: Hail2022-04-04: Hail2022-03-29: Hail2021-10-10: Hail2021-10-10: Hail2021-10-10: Hail2021-10-10: Hail2021-10-10: Hail2021-04-28: Hail2021-04-28: Hail2021-04-28: Hail2020-08-31: Hail2020-08-16: Hail2020-05-15: Hail2020-05-04: Hail2020-05-04: Hail2020-05-04: Hail2020-04-28: Hail2020-04-28: Hail2020-04-28: Hail2020-04-12: Hail2019-07-29: Hail2019-07-29: Hail2019-07-29: Hail2019-07-29: Hail2019-05-28: Hail2019-05-05: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-05-01: Hail2019-03-30: Hail2019-03-30: Hail2018-08-14: Hail2018-05-19: Hail2017-06-30: Hail2017-05-28: Hail2017-05-27: Hail2017-05-27: Hail2017-05-27: Hail2017-05-27: Hail2017-04-25: Hail2017-03-26: Hail2017-03-26: Hail2017-03-26: Hail2017-03-26: Hail2016-04-29: Hail2016-03-30: Hail2016-03-18: Hail2016-03-18: Hail2016-03-02: Hail2016-03-02: Hail2016-03-02: Hail2016-03-02: Hail2015-06-29: Hail2015-06-29: Hail2015-05-08: Hail2015-04-18: Hail2015-03-25: Hail2015-03-25: Hail2014-07-08: Hail2014-07-08: Hail2014-07-08: Hail2014-04-13: Hail1953-04-02: Tornado1953-03-13: Tornado1957-05-24: Tornado1959-09-03: Tornado1960-05-23: Tornado1961-02-17: Tornado1962-05-26: Tornado1964-04-03: Tornado1965-04-14: Tornado1965-04-05: Tornado1972-12-29: Tornado1973-11-19: Tornado1977-03-02: Tornado1979-08-21: Tornado1981-05-17: Tornado1982-08-27: Tornado1982-06-11: Tornado1984-05-27: Tornado1984-05-27: Tornado1985-03-26: Tornado1990-03-13: Tornado1990-03-13: Tornado1991-05-02: Tornado1992-09-02: Tornado1993-09-13: Tornado1996-06-06: Tornado1996-05-26: Tornado1996-06-06: Tornado1997-05-25: Tornado1997-05-25: Tornado1998-10-04: Tornado1998-10-04: Tornado1998-11-09: Tornado1999-04-05: Tornado1999-05-03: Tornado1999-05-03: Tornado2003-05-08: Tornado2008-05-07: Tornado2009-04-29: Tornado2010-05-10: Tornado2010-05-10: Tornado2011-04-22: Tornado2011-04-22: Tornado2011-11-07: Tornado2011-05-24: Tornado2011-05-24: Tornado2011-05-24: Tornado2011-05-24: Tornado2012-04-13: Tornado2013-05-20: Tornado2015-12-26: Tornado2015-05-19: Tornado2015-05-06: Tornado2015-05-23: Tornado2015-05-23: Tornado2015-05-19: Tornado2017-10-21: Tornado2018-05-19: Tornado2018-05-02: Tornado2019-06-16: Tornado2019-05-21: Tornado2022-12-13: Tornado2023-02-26: Tornado2023-04-19: Tornado2023-04-19: Tornado2023-04-19: Tornado2023-04-19: Tornado2023-04-19: Tornado2023-05-11: Tornado2023-05-11: Tornado2023-05-11: Tornado2023-05-11: Tornado2023-04-19: Tornado2024-04-27: Tornado2024-04-27: Tornado2024-04-27: Tornado2024-04-27: Tornado2024-04-27: Tornado2024-11-03: Tornado2025-06-06: Tornado2025-06-03: Tornado2025-06-06: Tornado2025-06-06: Tornado2026-01-08: Tornado2007-05-07: Flood2007-07-10: Flood2007-07-10: Flood2007-07-10: Flood2007-08-19: Flood2008-04-10: Flood2010-07-08: Flood2010-09-08: Flood2010-09-08: Flood2013-05-31: Flood2013-04-17: Flood2015-05-06: Flood2015-05-23: Flood2015-05-23: Flood2015-05-19: Flood2015-05-23: Flood2015-05-23: Flood2015-05-23: Flood2015-05-20: Flood2016-08-31: Flood2016-04-29: Flood2016-04-29: Flood2018-09-21: Flood2019-06-09: Flood2020-03-19: Flood2021-06-28: Flood2022-06-08: Flood2023-07-11: Flood2025-04-26: Flood2026-06-23: Wind2026-06-23: Wind2026-06-22: Wind2026-06-22: Wind2026-06-22: Wind2026-06-22: Wind2026-06-22: Wind2026-06-22: Wind2025-06-05: Wind2025-06-05: Wind2024-11-03: Wind2024-11-03: Wind2024-11-03: Wind2024-11-03: Wind2024-11-03: Wind2024-06-04: Wind2023-09-05: Wind2023-08-08: Wind2023-07-09: Wind2023-07-09: Wind2023-06-15: Wind2023-02-26: Wind2022-06-07: Wind2022-06-07: Wind2022-06-07: Wind2021-08-16: Wind2021-07-10: Wind2021-04-28: Wind2020-08-31: Wind2020-08-31: Wind2020-07-11: Wind2020-07-10: Wind2020-06-21: Wind2020-06-21: Wind2020-04-21: Wind2019-06-19: Wind2019-06-15: Wind2019-06-09: Wind2019-05-21: Wind2019-04-23: Wind2018-12-26: Wind2018-06-25: Wind2018-06-22: Wind2018-05-19: Wind2018-05-19: Wind2018-05-03: Wind2017-10-21: Wind2017-10-14: Wind2017-07-02: Wind2017-07-02: Wind2017-06-30: Wind2017-05-18: Wind2017-05-16: Wind2017-05-16: Wind2017-03-29: Wind2016-09-17: Wind2016-09-17: Wind2016-09-17: Wind2016-07-25: Wind2016-04-26: Wind2015-06-29: Wind2014-12-14: Wind2014-07-08: Wind2013-06-05: Wind2013-05-31: Wind2013-05-23: Wind2013-05-20: Wind2012-05-29: Wind2012-05-29: Wind2011-07-13: Wind2011-06-14: Wind2011-06-14: Wind2010-05-13: Wind2010-04-02: Wind2010-04-02: Wind2009-08-26: Wind2009-08-26: Wind2009-07-28: Wind2009-05-15: Wind2008-06-17: Wind2008-06-17: Wind2007-08-19: Wind2007-07-10: Wind2007-07-09: Wind2007-07-09: Wind2007-05-07: Wind2006-07-27: Wind2006-07-10: Wind2004-07-02: Wind2004-03-04: Wind2003-06-01: Wind2003-04-15: Wind2002-08-27: Wind2002-08-27: Wind2002-07-24: Wind2002-03-24: Wind2001-06-30: Wind
McClain County within Oklahoma. Dots: HailTornadoFloodWind event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NCEI storm records through 30 Jun 2026; OpenFEMA declarations refreshed 29 Sep 2026; NFIP claims as of 8 Sep 2026.

McClain County, Oklahoma, has 1,047 weather events in the NCEI Storm Events record since 1950, most of them hail.

That is 183.5 events per 100 square miles, above the Oklahoma figure of 120.9, and 240.6 per 10,000 residents against 208.0 statewide.

33 events fall in the 12 months to 30 Jun 2026. NCEI attributes 5 deaths and 115 injuries to events in the county, with property damage estimated at $37M and crop damage at $8.3M.

FEMA has designated the county in 44 federal disaster declarations since 1953; the most recent is Dibble Creek Fire (fire management assistance, 22 Mar 2026).

National Flood Insurance Program policyholders in the county filed 49 claims since 1978, of which 33 were paid, totalling $731K (about $22K per paid claim). FEMA counts 49 residential flood policies in force.

FEMA's National Risk Index rates the county's overall risk as "Relatively Low" and its expected annual loss as "Relatively Low" ($26M a year across 18 hazards).

3 tropical storm or hurricane tracks in the HURDAT2 record passed within 100 miles of the county's centre at tropical-storm strength or more, 0 of them within 50 miles at hurricane strength.

33events, last 12 monthsto 30 Jun 2026
1,047events since 19505 deaths, 115 injuries recorded
44disaster declarationslast 22 Mar 2026
49NFIP flood claims$731K paid

Compared with Oklahoma and the United States

MeasureMcClain CountyOklahomaUS
Recorded events since 19501,04782,9191,977,440
Events per 100 square miles183.5120.956.0
Events per 10,000 residents240.6208.059.6
Events in the last 12 months332,57062,008
Deaths recorded by NCEI570526,435
Property damage (NCEI estimates)$37M$9.6B$575B
NFIP claims per 1,000 residents1.13.38.1
Average paid NFIP claim$22K$24K$43K
Claims per 100 policies in force, last 10 years8.217.016.1

County-recorded events plus zone-recorded events whose forecast zone is named for the county. State and US rows include events recorded only by forecast zone. Rates use 2021 Census population and land area.

Events by decade

Hail: 4Tornado: 4Wind: 2
Hail: 9Tornado: 6Wind: 3
Hail: 5Tornado: 4Wind: 12
Hail: 56Tornado: 6Wind: 41
Hail: 101Tornado: 16Flood: 1Wind: 61Winter: 7Heat: 1Cold: 2Lightning: 1Fog: 2
Hail: 81Tornado: 3Flood: 9Wind: 58Winter: 20Heat: 3Drought: 17Lightning: 4Fog: 8Other: 3
Hail: 89Tornado: 22Flood: 18Wind: 41Winter: 20Drought: 40
Hail: 73Tornado: 23Flood: 5Wind: 38Winter: 10Heat: 82Cold: 10Drought: 23Wildfire: 2Lightning: 1
101950s181960s211970s1031980s1921990s2062000s2302010s2672020s
Recorded events in McClain County by decade and hazard group. HailTornadoFloodWindWinterHeatColdDroughtWildfireLightningFogOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 559 events in the 20 years to 2025 against 373 in the 20 years before. Reporting practice changed in 1996 and again with automated reports in the 2000s, so decade totals measure the record as much as the weather.

Events by type

Hail418
Wind256
Heat86
Tornado84
Drought80
Winter57
Flood33
Cold12
Fog10
Lightning6
Other3
Wildfire2
HazardEventsDeathsShare of state's events
■ Hail418—1.3%detail
■ Wind256—1.0%detail
■ Heat86—1.8%
■ Tornado8441.7%detail
■ Drought80—1.2%
■ Winter57—1.4%detail
■ Flood3310.8%detail
■ Cold12—1.9%
■ Fog10—3.2%
■ Lightning6—1.6%
■ Other3—1.3%
■ Wildfire2—0.3%

Hazard pages exist for hail, tornado, flood, wind and winter where the county has at least 10 recorded events. "Other" covers heavy rain, debris flow, dust, funnel clouds and similar reports.

Largest recorded events

DateEvent typeGroupMagnitudeProperty damageCrop damageDeathsInjuriesGeography
19 Nov 1973TornadoTornadoF3$2.5M—218County
3 May 1999TornadoTornadoF4$10M—117County
19 Apr 2023TornadoTornadoEF3$4.0M—12County
20 May 2015Flash FloodFlood—$30K—1—County
24 May 2011TornadoTornadoEF4———61County
20 May 2013TornadoTornadoEF4———5County
2 May 1991TornadoTornadoF1$25K——3County
25 May 1997TornadoTornadoF2$900K——2County
13 Mar 1953TornadoTornadoF2$250K——2County
26 Mar 1985Thunderstorm WindWind0 mph———2County
13 Mar 1990TornadoTornadoF2$2.5M——1County
2 Sep 1992TornadoTornadoF2$250K——1County
18 Mar 1998Thunderstorm WindWind—$15K——1County
1 Aug 2000DroughtDrought——$8.3M——Forecast zone
26 Dec 2000Ice StormWinter—$6.0M———Forecast zone
3 Nov 2024TornadoTornadoEF1$5.0M———County
5 Jun 2025Thunderstorm WindWind120 mph$1.0M———County
10 Jul 2007Flash FloodFlood—$400K———County
31 Aug 2020LightningLightning—$400K———County
8 Jan 2026TornadoTornadoEF2$400K———County

Ranked by deaths, then injuries, then NCEI's damage estimate. Deaths and injuries are NCEI counts (direct plus indirect); no personal details are recorded here.

Federal disaster declarations

DeclaredNumberTypeIncidentTitlePrograms
22 Mar 2026FM-5627Fire management assistanceFireDibble Creek FirePublic assistance
30 Apr 2024DR-4776Major disasterTornadoSevere Storms, Straight-Line Winds, Tornadoes, And FloodingIndividual assistance
24 Apr 2023DR-4706Major disasterTornadoSevere Storms, Straight-Line Winds, And TornadoesIndividual assistance, Public assistance
24 Feb 2021DR-4587Major disasterSevere Ice StormSevere Winter StormsPublic assistance
17 Feb 2021EM-3555EmergencySevere Ice StormSevere Winter StormPublic assistance
21 Dec 2020DR-4575Major disasterSevere Ice StormSevere Winter StormPublic assistance
5 Apr 2020DR-4530Major disasterBiologicalCovid-19 PandemicIndividual assistance, Public assistance
13 Mar 2020EM-3462EmergencyBiologicalCovid-19Public assistance
26 May 2015DR-4222Major disasterSevere StormSevere Storms, Tornadoes, Straight-Line Winds, And FloodingIndividual assistance, Public assistance
20 May 2013DR-4117Major disasterTornadoSevere Storms, Tornadoes, And FloodingIndividual assistance, Public assistance
6 Jun 2011DR-1989Major disasterSevere StormSevere Storms, Tornadoes, Straight-Line Winds, And FloodingIndividual assistance, Public assistance
12 Mar 2011FM-2871Fire management assistanceFireGoldsby FirePublic assistance
2 Feb 2011EM-3316EmergencySevere StormSevere Winter StormPublic assistance
5 Mar 2010DR-1883Major disasterSevere Ice StormSevere Winter StormPublic assistance
25 Feb 2010DR-1876Major disasterSevere StormSevere Winter StormPublic assistance
30 Jan 2010EM-3308EmergencySevere StormSevere Winter StormPublic assistance
19 Jun 2009DR-1846Major disasterFireWildfiresIndividual assistance
10 Apr 2009FM-2809Fire management assistanceFireMcclain County FirePublic assistance
18 Dec 2007DR-1735Major disasterSevere Ice StormSevere Winter StormsPublic assistance
10 Dec 2007EM-3280EmergencySevere Ice StormSevere Winter StormsPublic assistance
24 Aug 2007DR-1718Major disasterSevere StormSevere Storms, Tornadoes, And FloodingPublic assistance
7 Jul 2007DR-1712Major disasterSevere StormSevere Storms, Flooding, And TornadoesIndividual assistance, Public assistance
7 Jun 2007DR-1707Major disasterSevere StormSevere Storms, Tornadoes And FloodingPublic assistance
1 Feb 2007DR-1678Major disasterSevere StormSevere Winter StormsPublic assistance
14 Jan 2007EM-3272EmergencySevere Ice StormSevere Winter Storms And FloodingPublic assistance
6 Apr 2006FM-2635Fire management assistanceFireNew Castle FirePublic assistance
10 Jan 2006DR-1623Major disasterFireExtreme Wildfire ThreatPublic assistance
5 Sep 2005EM-3219EmergencyHurricaneHurricane Katrina EvacuationPublic assistance
10 May 2003DR-1465Major disasterSevere StormSevere Storms And TornadoesIndividual assistance
1 Feb 2002DR-1401Major disasterSevere Ice StormSevere Winter Ice StormIndividual assistance
29 Jun 2001DR-1384Major disasterSevere StormSevere Storms, Flooding, And TornadoesPublic assistance
5 Jan 2001DR-1355Major disasterSevere Ice StormSevere Winter Ice StormIndividual assistance, Public assistance
28 Dec 2000EM-3158EmergencySevere Ice StormSevere Winter And Ice StormPublic assistance
27 Nov 2000DR-1349Major disasterSevere StormSevere Storms And FloodingPublic assistance
4 May 1999DR-1272Major disasterTornadoOk, Tornadoes 5/3/99Individual assistance, Public assistance
12 May 1993DR-991Major disasterSevere StormSevere Storms, Tornadoes & FloodingIndividual assistance, Public assistance
18 May 1990DR-866Major disasterSevere StormSevere Storms, Tornadoes & FloodingIndividual assistance, Public assistance
9 Jul 1987DR-794Major disasterFloodSevere Storms & FloodingPublic assistance
14 Oct 1986DR-778Major disasterFloodSevere Storms & FloodingPublic assistance
26 Oct 1983DR-693Major disasterFloodSevere Storms & FloodingIndividual assistance, Public assistance
9 Jul 1975DR-474Major disasterSevere StormSevere Storms, Flooding & TornadoesIndividual assistance, Public assistance
10 Dec 1973DR-409Major disasterFloodSevere Storms & FloodingIndividual assistance, Public assistance
13 Jun 1973DR-392Major disasterSevere StormSevere Storms, Flooding, & TornadoesIndividual assistance, Public assistance
14 Oct 1970DR-297Major disasterSevere StormHeavy Rains, Tornadoes & FloodingIndividual assistance, Public assistance

Declarations in which FEMA designated this county, from the OpenFEMA Disaster Declarations Summaries (v2). DR: major disaster; EM: emergency; FM: fire management assistance. Programs show whether individual or public assistance was made available.

Flood insurance claims

197820022026
NFIP claims by year of loss in McClain County, 1978 to 2026 (hover for the amount paid).
Claims since 197849
Paid claims33
Total paid$731K
Average paid claim$22K
Repetitive-loss properties30 severe
Residential policies in force490.3% of 16,997 structures
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$341$341
202233$60,596$20,199
201621$40,658$40,658
20151916$522,316$32,645
200910$0—
200796$84,735$14,122
200411$2,422$2,422
200110$0—
200010$0—
198840$0—
198733$12,703$4,234
198322$7,314$3,657
198220$0—

OpenFEMA NFIP claims (v3, as of 8 Sep 2026), aggregated by year of loss; amounts are building, contents and increased-cost-of-compliance payments as recorded. Repetitive-loss counts from the NFIP Multiple Loss Properties file (2 Aug 2026); policies in force from the NFIP Residential Penetration Rates file (3 Aug 2026).

National Risk Index

Overall riskRelatively Lowscore 62.8 of 100
Expected annual loss$26MRelatively Low
Social vulnerabilityRelatively Low
Community resilienceRelatively High
Hazard (NRI)Risk ratingExpected annual loss
Inland floodingRelatively Low$8,155,908
TornadoRelatively Moderate$7,548,044
Cold waveRelatively Moderate$2,968,140
Heat waveRelatively Moderate$1,795,547
HailRelatively Moderate$1,730,313
WildfireRelatively Low$1,019,306
Ice stormRelatively High$994,573
DroughtRelatively Moderate$820,258
EarthquakeVery Low$407,022
Strong windRelatively Low$180,993
Winter weatherRelatively Moderate$146,948
LightningVery Low$89,151
HurricaneVery Low$8,411
LandslideVery Low$1,633

FEMA National Risk Index, December 2025 release. Ratings are FEMA's relative comparison of counties; expected annual loss is FEMA's modelled estimate of average yearly building, population and agriculture loss. See how to read the NRI.

Hurricane and tropical storm passes

Tracks within 100 miles3
Tracks within 50 miles2
Hurricane strength within 50 miles0
StormYearClosest approachMax wind while within 100 mi
Erin200743 mi58 mph
Carla196156 mi40 mph
Unnamed Atlantic storm190030 mi46 mph

HURDAT2 best-track positions at tropical-storm strength (34 kt) or more, measured from the county's Census centre point; through the 2025 season. Distance from a track is not the same as the extent of the storm's wind, rain or surge.

ZIP codes with flood claims

ZIP codes whose NFIP claims carry this county's code, with the number of claims. Five or more claims are needed for a ZIP page to be indexed.

Questions and answers

How often does it hail in McClain County, OK?

NCEI records 418 hail events in McClain County since 1950, in 59 different years; that is about 5.4 recorded events a year. 89 reports were golf-ball size (1.75 in) or larger.

Has McClain County had a tornado?

Yes. NCEI records 84 tornadoes in McClain County since 1950, 19 of them rated (E)F2 or stronger. Tornado deaths recorded: 4.

When was the last federal disaster declaration for McClain County?

22 Mar 2026: Dibble Creek Fire, a fire management assistance declaration for fire. The county appears in 44 declarations since 1953.

How many flood insurance claims have been filed in McClain County, and how much was paid?

49 NFIP claims since 1978, 33 of them paid, for $731K in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.

Is McClain County in the National Risk Index's high-risk band?

FEMA's National Risk Index (December 2025) rates the county "Relatively Low" for overall risk, "Relatively Low" for expected annual loss, "Relatively Low" for social vulnerability and "Relatively High" for community resilience. These ratings are FEMA's relative comparison across all US counties.

How does McClain County compare with the rest of Oklahoma?

183.5 recorded events per 100 square miles against 120.9 statewide, and 1.1 NFIP claims per 1,000 residents against 3.3. The comparison table on this page shows each measure beside the state and national figures.

Provenance

Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026 (public domain). Declarations: OpenFEMA DisasterDeclarationsSummaries v2, refreshed 29 Sep 2026. Flood claims: OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipMultipleLossProperties v1 (2 Aug 2026); NfipResidentialPenetrationRates v1 (3 Aug 2026). Risk index: FEMA National Risk Index, December 2025. Hurricane tracks: NHC HURDAT2 through 2025. Population and area: US Census Bureau, 2021 vintage. Built 30 Sep 2026; see the methodology and corrections pages. Hazard hubs: Hail · Tornado · Flood · Wind · Winter.