Renville County, Minnesota

County storm and disaster record · FIPS 27129 · population 14,723 · 983 sq mi

NOAA's Storm Events Database holds 639 records for Renville County, Minnesota from 1950 through June 30, 2026, on 424 days; the most frequent are hail reports (187 records). The deadliest single record is the July 3, 2018 flood: 1 death and $441,000 in damage in 2025 dollars. FEMA has issued 22 declarations naming the county since 1965, 20 of them for natural hazards; the latest for a natural hazard was “Severe Storms and Flooding” on June 28, 2024.

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
639on 424 days, 1950 to June 30, 2026
Deaths recorded
16 injuries
Damage, 2025 dollars
$53Mas filed (scale steps before 1993)
Tornadoes
30strongest F2
FEMA declarations
22latest 2024

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 Renville County most?

The most frequent records are hail reports: 187 since 1957. 54% of its hail reports since 1957 fell in June and July. The rank column places the county among Minnesota's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Renville County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Hail 187 115 1957-2026 0 0 $1.6M 50 of 87
Severe thunderstorm wind 163 105 1955-2025 0 1 $20M 52 of 87
Winter storms 136 136 1996-2026 0 0 – 64 of 87
Extreme cold 39 38 1996-2026 0 0 – 67 of 87
Tornadoes 30 17 1963-2024 0 5 $28M 70 of 87
Floods 27 23 1997-2025 1 0 $3.5M 53 of 87
Heavy rain 19 8 2005-2020 0 0 – 37 of 87
High wind and dust storms 14 14 1996-2026 0 0 – 63 of 87
Heat 13 13 1999-2023 0 0 – 52 of 87
Fog, smoke and funnel clouds 10 9 2000-2020 0 0 – 46 of 87
Lightning 1 1 2016-2016 0 0 $615K 66 of 87

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 Renville County had?

NOAA records 30 tornadoes in Renville County from 1963 to 2024, the strongest rated F2, with 0 deaths and 5 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 30 tornadoes whose track touched Renville County since 1950 (NOAA's county records number 30, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Minnesota.

Every tornado record filed for Renville County (30)
Every tornado recorded in Renville County, newest first
DatePlaceCharacterKilledInjuredDamage
2024-06-02 Sacred Heart, Renville County EF0 0.31 mi x 25 yd 0 0 –
2023-05-06 Renville County EFU 0.79 mi x 25 yd 0 0 –
2023-05-06 Minnesota Falls, Renville County EF0 1.62 mi x 25 yd 0 0 $15K
2023-05-06 Renville County EFU 1.01 mi x 25 yd 0 0 –
2020-06-09 Danube, Renville County EF0 0.33 mi x 25 yd 0 0 –
2011-07-01 Danube, Renville County EF1 2.44 mi x 300 yd 0 0 $328K
2011-07-01 Bechyn, Renville County EF1 1.35 mi x 100 yd 0 0 $20K
2003-06-24 Buffalo Lake, Renville County F0 2.9 mi x 50 yd 0 0 –
2003-06-24 Buffalo Lake, Renville County F1 4.2 mi x 100 yd 0 0 $802K
2003-06-24 Churchill, Renville County F0 2.5 mi x 100 yd 0 0 –
2003-06-24 Buffalo Lake, Renville County F1 1 mi x 100 yd 0 0 $802K
2003-06-24 Buffalo Lake, Renville County F2 2 mi x 880 yd 0 5 $22M
1998-06-18 Olivia, Renville County F1 0.2 mi x 50 yd 0 0 $1.8M
1998-06-18 Danube, Renville County F0 0.1 mi x 25 yd 0 0 –
1997-07-01 Olivia, Renville County F0 0.1 mi x 50 yd 0 0 –
1996-05-18 Buffalo Lake, Renville County F0 0.5 mi x 50 yd 0 0 –
1996-05-18 Bird Island, Renville County F0 0.1 mi x 50 yd 0 0 –
1995-07-21 Stewart, Renville County F0 0.1 mi x 10 yd 0 0 –
1994-08-07 Fairfax, Renville County F0 0.1 mi x 10 yd 0 0 –
1994-08-07 Renville County F0 0.1 mi x 10 yd 0 0 –
1992-06-16 Renville County F2 2 mi x 20 yd 0 0 –
1992-06-16 Renville County F2 2.5 mi x 13 yd 0 0 –
1992-06-16 Renville County F2 3 mi x 13 yd 0 0 –
1992-06-16 Renville County F2 5 mi x 23 yd 0 0 –
1985-04-21 Renville County F0 0.1 mi x 3 yd 0 0 –
1981-08-05 Renville County F2 0 0 $250K step
1981-06-23 Renville County F2 6.8 mi x 150 yd 0 0 $250K step
1978-05-28 Renville County F0 0.1 mi x 300 yd 0 0 $250 step
1967-06-26 Renville County F0 2 mi x 33 yd 0 0 $250 step
1963-10-21 Renville County F1 0.1 mi x 33 yd 0 0 $3K 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 Renville County?

The most recent record with damage, injuries or deaths is the August 11, 2023 hail ($97,000 in damage in 2025 dollars).

Baseball size hail hit the Oakdale golf course, denting cars, shattering windows, and causing hundreds of pits in the greens.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1134249)
The 12 most recent records kept for Renville County
DateRecordCharacterKilledInjuredDamage
2026-06-23 HailFairfax, Renville County 1.00 in hail 0 0 –
2026-04-01 Winter WeatherRenville County · forecast zone Renville 0 0 –
2026-03-14 Winter StormRenville County · forecast zone Renville 0 0 –
2026-03-12 High WindRenville County · forecast zone Renville 54 kt wind 0 0 –
2026-02-28 Winter WeatherRenville County · forecast zone Renville 0 0 –
2026-02-24 Winter WeatherRenville County · forecast zone Renville 0 0 –
2026-02-18 BlizzardRenville County · forecast zone Renville 0 0 –
2026-01-22 Extreme Cold/Wind ChillRenville County · forecast zone Renville 0 0 –
2026-01-21 Winter WeatherRenville County · forecast zone Renville 0 0 –
2026-01-18 Winter WeatherRenville County · forecast zone Renville 0 0 –
2026-01-16 Winter WeatherRenville County · forecast zone Renville 0 0 –
2025-12-28 BlizzardRenville County · forecast zone Renville 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 Renville County, most deaths first
DateRecordCharacterKilledInjuredDamage
2018-07-03 FloodFranklin, Renville County Flood waters slowly receded from excessive rainfall that occurred Tuesday morning. Numerous roads were impacted by the flood waters, especially south of Highway 212. An individual was found in a water-swollen drainage ditch, two days after his car was discovered submerged a mile upstream. 1 0 $441K
2003-06-24 TornadoBuffalo Lake, Renville County This third tornado entered Renville County at 1845 CST and entered the city of Buffalo Lake, where damage was significant. Five people sustained minor injuries. Roofs were blown off the Lutheran Church, as well as a number of homes and businesses. Sheds and garages were blown down, a grain elevator was destroyed, and ... F2 2 mi x 880 yd 0 5 $22M
2003-06-24 Thunderstorm WindBird Island, Renville County A children's playhouse was lifted and blown some distance, where it landed on a truck being driven along Highway 212. One man was slightly injured when some of the smashed glass landed in his eye. 60 kt wind 0 1 –
The costliest records in Renville County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2003-06-24 TornadoBuffalo Lake, Renville County F2 2 mi x 880 yd 0 5 $22M
2003-06-24 Thunderstorm WindChurchill, Renville County 65 kt wind 0 0 $16M
2011-07-01 Thunderstorm WindBechyn, Renville County 70 kt wind 0 0 $3.3M
1998-06-18 TornadoOlivia, Renville County F1 0.2 mi x 50 yd 0 0 $1.8M
2020-07-11 HailBird Island, Renville County 2.00 in hail 0 0 $1.1M
2014-06-18 FloodFairfax, Renville County 0 0 $935K
2003-06-24 TornadoBuffalo Lake, Renville County F1 1 mi x 100 yd 0 0 $802K
2016-07-23 LightningSacred Heart, Renville County 0 0 $615K

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 23, 1981 (tornado, Renville County); August 5, 1981 (tornado, Renville 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 Renville 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).

Renville County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Hail1451242534228
Severe thunderstorm wind1381734363430
Winter storms––––18314641
Extreme cold––––541614
Tornadoes021312525
Floods––––56133

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

What time of year?

54% of its hail reports since 1957 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 50 · Feb 38 · Mar 35 · Apr 42 · May 58 · Jun 134 · Jul 115 · Aug 69 · Sep 28 · Oct 15 · Nov 16 · Dec 39 (records).

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

Federal disaster declarations for Renville County

FEMA's register lists 22 declarations that include Renville County: 18 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for flood (12) and severe storm (6).

Declarations including Renville County, newest first
DeclaredNumberTypeTitle
2024-06-28DR-4797FloodSevere Storms and Flooding
2023-07-19DR-4722FloodSevere Storms and Flooding
2022-08-09DR-4666Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2022-07-08DR-4658Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2020-04-07DR-4531BiologicalCovid-19 Pandemic
2020-03-13EM-3453BiologicalCovid-19
2019-06-12DR-4442FloodSevere Winter Storm, Straight-Line Winds, and Flooding
2018-09-05DR-4390FloodSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2014-07-21DR-4182FloodSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2011-07-28DR-4009Severe StormSevere Storms, Flooding, and Tornadoes
2011-05-10DR-1982FloodSevere Storms and Flooding
2010-04-19DR-1900FloodFlooding
2010-03-19EM-3310FloodFlooding
2005-09-13EM-3242HurricaneHurricane Katrina Evacuation
2001-05-16DR-1370FloodSevere Winter Storms, Flooding, and Tornadoes
1997-04-08DR-1175FloodSevere Flooding, High Winds,Severe Storms
1997-01-16DR-1158Severe StormSevere Winter Storms
1993-06-11DR-993Severe StormSevere Storms, Tornadoes & Flooding
1992-06-26DR-946Severe StormSevere Storms, Tornadoes & Flooding
1976-06-17EM-3013DroughtDrought
1969-04-18DR-255FloodFlooding
1965-04-11DR-188FloodFlooding

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.

How many floods has Renville County had?

NOAA's Storm Events Database holds 27 flood or flash flood records for Renville County from 1997 to 2025, on 23 days, with 1 death. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Renville County ranks 2523rd of 2,942 U.S. counties.

The National Flood Insurance Program has paid $70,000 on 6 claims filed in Renville County; the most in one year was 2 in 1997. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1997: 2 · 2011: 1 · 2019: 2 · 2022: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Renville County

FEMA's National Risk Index rates Renville County Very Low overall, with an expected annual loss of $11.9 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 Renville County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
DroughtRelatively Moderate$878K8.9 modeled event-days a year
Winter WeatherRelatively Moderate$189K21 a year (modeled)
Strong WindRelatively Moderate$1.2M3.4 a year (modeled)
HailRelatively Moderate$727K4.8 a year (modeled)
Cold WaveRelatively Moderate$2.2M12 a year (modeled)
Heat WaveRelatively Low$528K4.4 modeled event-days a year
TornadoRelatively Low$1.3Mabout once a year (modeled)
Ice StormRelatively Low$82Konce in about 2 years (modeled)

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

Counties that share a border with Renville County

  1. McLeod County 751
  2. Kandiyohi County 666
  3. Renville County 639
  4. Redwood County 582
  5. Meeker County 532
  6. Brown County 519
  7. Sibley County 508
  8. Nicollet County 462
  9. Chippewa County 455
  10. Yellow Medicine County 446

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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