County Hazards

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Cottonwood County, Minnesota

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

FIPS 27033 · 11,569 residents (2021) · 640 sq mi · dominant hazard Winter

Hail · 144Tornado · 26Flood · 57Wind · 177Winter · 206
1956-06-21: Hail1961-07-04: Hail1968-07-06: Hail1979-07-12: Hail1979-07-20: Hail1979-07-21: Hail1980-05-29: Hail1980-05-29: Hail1980-05-26: Hail1980-05-26: Hail1981-07-21: Hail1985-07-03: Hail1985-06-14: Hail1985-04-20: Hail1985-04-20: Hail1986-05-29: Hail1996-10-16: Hail1997-05-17: Hail1997-06-28: Hail1998-06-20: Hail1998-06-20: Hail1998-06-20: Hail2000-04-19: Hail2000-05-17: Hail2000-07-02: Hail2000-07-02: Hail2000-07-02: Hail2000-08-07: Hail2001-04-24: Hail2001-04-30: Hail2002-07-30: Hail2002-06-07: Hail2002-07-28: Hail2002-07-28: Hail2003-07-20: Hail2003-08-18: Hail2003-06-23: Hail2003-06-27: Hail2003-06-27: Hail2004-04-18: Hail2004-04-18: Hail2004-04-18: Hail2004-04-18: Hail2004-04-18: Hail2004-05-29: Hail2004-05-28: Hail2004-05-29: Hail2004-05-09: Hail2004-05-09: Hail2004-08-29: Hail2005-04-17: Hail2005-06-13: Hail2005-06-13: Hail2005-06-13: Hail2005-06-13: Hail2005-06-07: Hail2005-06-29: Hail2005-05-08: Hail2005-07-03: Hail2006-07-19: Hail2006-07-19: Hail2006-07-19: Hail2007-06-07: Hail2008-06-05: Hail2008-06-05: Hail2008-08-13: Hail2009-07-21: Hail2010-09-22: Hail2010-09-22: Hail2010-06-25: Hail2010-09-22: Hail2011-05-21: Hail2011-05-21: Hail2011-05-21: Hail2012-05-18: Hail2013-06-18: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-05-17: Hail2013-08-05: Hail2013-08-31: Hail2013-06-21: Hail2013-06-18: Hail2013-05-17: Hail2014-05-08: Hail2014-08-21: Hail2015-09-09: Hail2016-07-13: Hail2016-07-16: Hail2017-08-18: Hail2017-06-11: Hail2017-06-11: Hail2017-06-11: Hail2017-10-02: Hail2017-07-19: Hail2017-07-19: Hail2018-07-25: Hail2019-09-24: Hail2019-09-24: Hail2020-07-11: Hail2020-07-11: Hail2021-08-24: Hail1952-06-23: Tornado1971-07-27: Tornado1976-06-14: Tornado1979-06-28: Tornado1981-06-13: Tornado1985-06-14: Tornado1992-06-16: Tornado1998-03-29: Tornado2000-08-07: Tornado2003-07-14: Tornado2005-06-29: Tornado2006-08-01: Tornado2008-06-11: Tornado2009-07-07: Tornado2010-06-25: Tornado2013-05-17: Tornado2014-08-21: Tornado2019-08-10: Tornado2019-08-17: Tornado2021-08-28: Tornado2022-05-11: Tornado2022-05-11: Tornado2022-05-11: Tornado2022-05-11: Tornado2023-05-09: Tornado2023-06-10: Tornado2005-06-20: Flood2005-07-25: Flood2005-09-24: Flood2006-04-04: Flood2008-06-05: Flood2010-09-22: Flood2010-06-26: Flood2010-10-01: Flood2010-03-16: Flood2010-06-27: Flood2010-09-23: Flood2010-04-01: Flood2011-04-01: Flood2011-06-21: Flood2011-03-16: Flood2011-06-14: Flood2014-06-20: Flood2014-06-16: Flood2015-08-16: Flood2018-04-23: Flood2018-06-21: Flood2018-07-03: Flood2018-07-01: Flood2018-07-01: Flood2018-05-01: Flood2018-09-23: Flood2018-10-12: Flood2018-06-21: Flood2019-06-01: Flood2019-09-12: Flood2019-06-01: Flood2019-06-01: Flood2019-05-28: Flood2019-05-27: Flood2019-03-13: Flood2019-03-19: Flood2019-05-01: Flood2019-05-01: Flood2019-03-16: Flood2019-09-12: Flood2019-04-01: Flood2019-04-01: Flood2020-04-02: Flood2020-03-04: Flood2020-03-06: Flood2022-07-05: Flood2023-04-12: Flood2023-05-14: Flood2024-07-01: Flood2024-07-01: Flood2024-06-21: Flood2024-06-21: Flood2024-06-21: Flood1973-06-26: Wind1973-06-18: Wind1974-07-10: Wind1974-07-03: Wind1977-06-27: Wind1978-06-16: Wind1978-07-06: Wind1979-06-19: Wind1979-08-04: Wind1980-05-26: Wind1980-10-16: Wind1983-07-01: Wind1984-04-27: Wind1985-06-14: Wind1985-06-14: Wind1985-04-20: Wind1985-04-20: Wind1986-05-29: Wind1986-04-26: Wind1987-05-13: Wind1992-06-16: Wind1992-05-16: Wind1997-07-13: Wind1997-06-22: Wind1997-06-22: Wind1997-06-22: Wind1997-06-22: Wind1997-06-22: Wind1998-07-14: Wind1998-07-18: Wind1999-06-09: Wind2000-07-02: Wind2000-08-07: Wind2000-08-07: Wind2000-08-07: Wind2001-06-13: Wind2001-06-10: Wind2001-06-13: Wind2001-06-13: Wind2001-06-13: Wind2001-09-22: Wind2002-04-16: Wind2002-08-11: Wind2002-08-11: Wind2002-08-11: Wind2002-07-28: Wind2003-07-03: Wind2003-06-27: Wind2003-08-18: Wind2004-04-18: Wind2004-04-18: Wind2004-04-18: Wind2004-04-18: Wind2004-04-18: Wind2004-05-29: Wind2004-05-16: Wind2005-08-03: Wind2005-07-21: Wind2005-07-21: Wind2008-06-11: Wind2009-06-23: Wind2009-07-07: Wind2010-05-25: Wind2010-06-25: Wind2010-07-23: Wind2010-07-23: Wind2010-09-22: Wind2011-07-15: Wind2015-06-22: Wind2015-06-22: Wind2016-06-17: Wind2016-06-14: Wind2016-06-14: Wind2016-06-14: Wind2016-06-14: Wind2016-06-14: Wind2016-06-14: Wind2016-09-05: Wind2017-06-13: Wind2017-07-19: Wind2018-07-25: Wind2019-06-27: Wind2019-08-17: Wind2019-07-20: Wind2020-06-04: Wind2020-06-04: Wind2021-08-28: Wind2021-08-28: Wind2021-09-17: Wind2021-08-28: Wind2021-08-28: Wind2021-08-28: Wind2021-08-28: Wind
Cottonwood County within Minnesota. 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.

Cottonwood County, Minnesota, has 707 weather events in the NCEI Storm Events record since 1950, most of them winter storms and snow.

That is 110.5 events per 100 square miles, above the Minnesota figure of 71.0, and 611.1 per 10,000 residents against 99.0 statewide.

39 events fall in the 12 months to 30 Jun 2026. NCEI attributes 1 death and 15 injuries to events in the county, with property damage estimated at $74M and crop damage at $14M.

FEMA has designated the county in 17 federal disaster declarations since 1953; the most recent is Severe Storms And Flooding (major disaster, 28 Jun 2024).

National Flood Insurance Program policyholders in the county filed 43 claims since 1978, of which 31 were paid, totalling $470K (about $15K per paid claim). FEMA counts 59 residential flood policies in force.

FEMA's National Risk Index rates the county's overall risk as "Very Low" and its expected annual loss as "Very Low" ($8.7M a year across 18 hazards).

39events, last 12 monthsto 30 Jun 2026
707events since 19501 death, 15 injuries recorded
17disaster declarationslast 28 Jun 2024
43NFIP flood claims$470K paid

Compared with Minnesota and the United States

MeasureCottonwood CountyMinnesotaUS
Recorded events since 195070756,5241,977,440
Events per 100 square miles110.571.056.0
Events per 10,000 residents611.199.059.6
Events in the last 12 months391,95662,008
Deaths recorded by NCEI129326,435
Property damage (NCEI estimates)$74M$5.9B$575B
NFIP claims per 1,000 residents3.72.28.1
Average paid NFIP claim$15K$16K$43K
Claims per 100 policies in force, last 10 years49.213.916.1

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: 1Tornado: 1
Hail: 2
Hail: 3Tornado: 3Wind: 9
Hail: 10Tornado: 2Wind: 11
Hail: 9Tornado: 2Flood: 2Wind: 22Winter: 14Cold: 1Drought: 2
Hail: 45Tornado: 6Flood: 7Wind: 40Winter: 51Cold: 3Drought: 4Wildfire: 1Lightning: 4
Hail: 47Tornado: 5Flood: 37Wind: 28Winter: 90Heat: 9Cold: 21Drought: 10Other: 4
Hail: 27Tornado: 7Flood: 11Wind: 67Winter: 51Heat: 10Cold: 15Drought: 13
21950s21960s151970s231980s521990s1612000s2512010s2012020s
Recorded events in Cottonwood County by decade and hazard group. HailTornadoFloodWindWinterHeatColdDroughtWildfireLightningOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 472 events in the 20 years to 2025 against 172 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

Winter206
Wind177
Hail144
Flood57
Cold40
Drought29
Tornado26
Heat19
Lightning4
Other4
Wildfire1
HazardEventsDeathsShare of state's events
■ Winter20611.7%detail
■ Wind177—1.2%detail
■ Hail144—0.9%detail
■ Flood57—2.1%detail
■ Cold40—0.9%
■ Drought29—2.0%
■ Tornado26—1.1%detail
■ Heat19—2.4%
■ Lightning4—1.4%
■ Other4—0.3%
■ Wildfire1—3.7%

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
25 Dec 2007Winter WeatherWinter———1—Forecast zone
29 Mar 1998TornadoTornadoF3$30M——3County
26 Nov 2006Winter WeatherWinter————5Forecast zone
14 Jun 1976TornadoTornadoF2$250K——3County
21 Jun 2024FloodFlood—$21M———County
11 Dec 2010BlizzardWinter————2Forecast zone
14 Jun 1985Thunderstorm WindWind0 mph———1County
16 Feb 2009Winter WeatherWinter————1Forecast zone
9 Apr 2013Winter StormWinter—$10M———Forecast zone
1 Jun 2019FloodFlood——$5.2M——County
1 Oct 2023DroughtDrought——$3.0M——Forecast zone
23 Jun 1952TornadoTornadoF2$2.5M———County
28 Jun 1979TornadoTornadoF1$2.5M———County
1 Jul 2018FloodFlood—$2.0M———County
14 Nov 1996Ice StormWinter—$1.5M———Forecast zone
27 Jun 2003HailHail1.00 in$200K$1.0M——County
14 May 2023FloodFlood——$1.2M——County
27 Jun 2003Thunderstorm WindWind70 mph$1.0M———County
4 Oct 2022DroughtDrought——$988K——Forecast zone
28 Aug 2021Thunderstorm WindWind60 mph—$650K——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
28 Jun 2024DR-4797Major disasterFloodSevere Storms And FloodingIndividual assistance, Public assistance
8 Jul 2022DR-4658Major disasterSevere StormSevere Storms, Straight-Line Winds, Tornadoes, And FloodingPublic assistance
7 Apr 2020DR-4531Major disasterBiologicalCovid-19 PandemicIndividual assistance, Public assistance
13 Mar 2020EM-3453EmergencyBiologicalCovid-19Public assistance
12 Jun 2019DR-4442Major disasterFloodSevere Winter Storm, Straight-Line Winds, And FloodingPublic assistance
5 Sep 2018DR-4390Major disasterFloodSevere Storms, Tornadoes, Straight-Line Winds, And FloodingPublic assistance
3 May 2013DR-4113Major disasterSevere StormSevere Winter StormPublic assistance
13 Oct 2010DR-1941Major disasterSevere StormSevere Storms And FloodingPublic assistance
19 Apr 2010DR-1900Major disasterFloodFloodingPublic assistance
13 Sep 2005EM-3242EmergencyHurricaneHurricane Katrina EvacuationPublic assistance
1 Apr 1998DR-1212Major disasterTornadoTornadoes And Severe StormsIndividual assistance, Public assistance
16 Jan 1997DR-1158Major disasterSevere StormSevere Winter StormsPublic assistance
7 Jan 1997DR-1151Major disasterSevere StormSevere Ice StormPublic assistance
11 Jun 1993DR-993Major disasterSevere StormSevere Storms, Tornadoes & FloodingIndividual assistance, Public assistance
17 Jun 1976EM-3013EmergencyDroughtDroughtPublic assistance
18 Apr 1969DR-255Major disasterFloodFloodingIndividual assistance, Public assistance
11 Apr 1965DR-188Major disasterFloodFloodingIndividual 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 Cottonwood County, 1978 to 2026 (hover for the amount paid).
Claims since 197843
Paid claims31
Total paid$470K
Average paid claim$15K
Repetitive-loss properties20 severe
Residential policies in force590.8% of 7,181 structures
Year of lossClaimsPaid claimsAmount paidAverage paid
20242319$286,400$15,074
201911$112,273$112,273
201853$16,395$5,465
2010118$54,563$6,820
200910$0—
199320$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 riskVery Lowscore 27.7 of 100
Expected annual loss$8.7MVery Low
Social vulnerabilityRelatively Moderate
Community resilienceRelatively High
Hazard (NRI)Risk ratingExpected annual loss
Inland floodingVery Low$3,430,259
Cold waveRelatively Moderate$2,090,785
TornadoRelatively Low$915,584
HailRelatively Moderate$668,815
Strong windRelatively Moderate$581,899
DroughtRelatively Moderate$395,354
Heat waveRelatively Low$303,133
Winter weatherRelatively Moderate$182,431
Ice stormRelatively Low$94,506
LightningVery Low$29,141
WildfireVery Low$16,029
EarthquakeVery Low$9,248
LandslideVery Low$494

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

No HURDAT2 track at tropical-storm strength passes within 100 miles of the county's centre point (through the 2025 season).

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 Cottonwood County, MN?

NCEI records 144 hail events in Cottonwood County since 1950, in 39 different years; that is about 1.9 recorded events a year. 27 reports were golf-ball size (1.75 in) or larger.

Has Cottonwood County had a tornado?

Yes. NCEI records 26 tornadoes in Cottonwood County since 1950, 4 of them rated (E)F2 or stronger. Tornado deaths recorded: 0.

When was the last federal disaster declaration for Cottonwood County?

28 Jun 2024: Severe Storms And Flooding, a major disaster declaration for flood. The county appears in 17 declarations since 1953.

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

43 NFIP claims since 1978, 31 of them paid, for $470K in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.

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

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

How does Cottonwood County compare with the rest of Minnesota?

110.5 recorded events per 100 square miles against 71.0 statewide, and 3.7 NFIP claims per 1,000 residents against 2.2. 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.