Shelby County, Missouri

County storm and disaster record · FIPS 29205 · population 6,082 · 501 sq mi

NOAA's Storm Events Database holds 313 records for Shelby County, Missouri from 1950 through June 30, 2026, on 248 days; the most frequent are severe thunderstorm wind events (82 records). The deadliest single record is the October 17, 2005 lightning: 2 deaths and 1 injury. FEMA has issued 27 declarations naming the county since 1973, 25 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Straight-Line Winds, Tornadoes, and Flooding” on August 3, 2026.

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
313on 248 days, 1950 to June 30, 2026
Deaths recorded
25 injuries
Damage, 2025 dollars
$15Mas filed (scale steps before 1993)
Tornadoes
21strongest F4
FEMA declarations
27latest 2026

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 Shelby County most?

The most frequent records are severe thunderstorm wind events: 82 since 1958. 41% of its severe thunderstorm wind events since 1958 fell in June and July. The rank column places the county among Missouri's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Shelby County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 82 63 1958-2025 0 0 $41K 89 of 114
Hail 60 47 1960-2024 0 0 – 108 of 114
Winter storms 51 50 1996-2025 0 0 – 43 of 114
Heat 41 41 1999-2023 0 1 – 30 of 114
Floods 29 28 1996-2026 0 2 $1K 82 of 114
Tornadoes 21 17 1950-2025 0 1 $15M 52 of 114
High wind and dust storms 9 9 1997-2025 0 0 $4K 18 of 114
Drought 7 7 2005-2012 0 0 – 94 of 114
Extreme cold 7 7 2000-2025 0 0 – 73 of 114
Lightning 5 5 1996-2008 2 1 $233K 12 of 114
Fog, smoke and funnel clouds 1 1 2004-2004 0 0 – 45 of 114

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 Shelby County had?

NOAA records 21 tornadoes in Shelby County from 1950 to 2025, the strongest rated F4, with 0 deaths and 1 injury recorded in the county. That is 52nd of 114 Missouri counties by days with tornadoes per 1,000 square miles since 1950. 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 23 tornadoes whose track touched Shelby County since 1950 (NOAA's county records number 21: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 1 person, 0 of them in Shelby County.

The deadliest and strongest tornadoes that touched Shelby County, whole tracks
DateTornadoRatingPathKilled
1975-04-23 16:40, as SPC files itUnnamedF428.2 mi1
1995-07-04 17:40, as SPC files itMoberlyF326 mi0
1974-04-13 17:15, as SPC files itLeonardF30.1 mi0

Map of the strongest tornado tracks in Missouri.

Every tornado record filed for Shelby County (21)
Every tornado recorded in Shelby County, newest first
DatePlaceCharacterKilledInjuredDamage
2025-08-09 Leonard, Shelby County EF1 3.07 mi x 100 yd 0 0 $105K
2025-08-09 Leonard, Shelby County EF1 0.36 mi x 75 yd 0 0 $90K
2021-06-24 Shelbina, Shelby County EFU 0.1 mi x 10 yd 0 0 –
2017-03-06 Maud, Shelby County EF1 18.47 mi x 150 yd 0 1 –
2016-04-27 Emden, Shelby County EF0 0.85 mi x 75 yd 0 0 –
2011-06-26 Shelbina, Shelby County EF1 1.22 mi x 70 yd 0 0 –
2011-06-26 Shelbina, Shelby County EF1 1.15 mi x 70 yd 0 0 –
2011-02-27 Lakenan, Shelby County EF0 0.75 mi x 20 yd 0 0 –
2011-02-27 Shelbina, Shelby County EF1 1.03 mi x 30 yd 0 0 –
2007-03-01 Lakenan, Shelby County EF0 2.13 mi x 50 yd 0 0 –
2003-05-10 Bethel, Shelby County F0 5 mi x 50 yd 0 0 –
2003-05-10 Clarence, Shelby County F0 3.5 mi x 50 yd 0 0 –
1986-08-05 Shelby County F1 5 mi x 100 yd 0 0 $25K step
1975-04-23 Shelby County F4 7.9 mi x 1,700 yd 0 0 $2.5M step
1974-04-13 Shelby County F3 0 0 $25K step
1970-06-12 Shelby County F2 2 mi x 50 yd 0 0 $25K step
1963-04-17 Shelby County F0 0.2 mi x 10 yd 0 0 $3K step
1963-03-04 Shelby County F1 0.3 mi x 30 yd 0 0 $25K step
1962-06-03 Shelby County F1 0.2 mi x 17 yd 0 0 $25K step
1957-06-15 Shelby County F1 0.2 mi x 20 yd 0 0 $3K step
1950-06-15 Shelby County F1 0.2 mi x 100 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 Shelby County?

The most recent record with damage, injuries or deaths is the August 9, 2025 tornado ($105,000 in damage in 2025 dollars).

A brief EF-1 tornado touched down just east of Leonard and moved northeast. The tornado caused damage to farm structures, homes, and trees along its short track before dissipating just west of Highway BB.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1278544)
The 12 most recent records kept for Shelby County
DateRecordCharacterKilledInjuredDamage
2026-06-11 Flash FloodBethel, Shelby County 0 0 –
2025-11-29 Winter StormShelby County · forecast zone Shelby 0 0 –
2025-08-09 Thunderstorm WindBethel, Shelby County 50 kt wind 0 0 –
2025-08-09 Thunderstorm WindLeonard, Shelby County 60 kt wind 0 0 –
2025-08-09 TornadoLeonard, Shelby County EF1 3.07 mi x 100 yd 0 0 $105K
2025-08-09 TornadoLeonard, Shelby County EF1 0.36 mi x 75 yd 0 0 $90K
2025-03-05 High WindShelby County · forecast zone Shelby 51 kt wind 0 0 –
2025-01-21 Cold/Wind ChillShelby County · forecast zone Shelby 0 0 –
2025-01-05 Winter StormShelby County · forecast zone Shelby 0 0 –
2024-10-31 Thunderstorm WindClarence, Shelby County 65 kt wind 0 0 –
2024-06-13 Thunderstorm WindShelbina, Shelby County 65 kt wind 0 0 –
2021-06-24 TornadoShelbina, Shelby County EFU 0.1 mi x 10 yd 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 Shelby County, most deaths first
DateRecordCharacterKilledInjuredDamage
2005-10-17 LightningHunnewell, Shelby County Two men were killed and one injured by a lightning strike west of Hunnewell. The 3 men were doing road work near the bridge over the North Fork of the Salt River when the storm approached. They took shelter in a nearby shed, and when the storm appeared to let up, they headed for their vehicle. They were struck within ... 2 1 –
2002-05-12 Flash FloodCountywide, Shelby County Rainfall estimated as high as 6 inches caused widespread flash flooding across the area. Numerous roads became impassable as nearly every creek and small stream flooded. Two men suffered minor injuries near Hurdland in Knox County when they drove their truck into a flooded road. Another man had to be rescued after he ... 0 2 –
2017-03-06 TornadoMaud, Shelby County Tornado touched down on County Road 503, just south of the intersection with Highway Y. A barn was destroyed in this location with the damage rated EF1. The tornado tracked to the northeast causing scattered tree and building damage. As the tornado crossed County Road 426, just west of the intersection with Highway A, ... EF1 18.47 mi x 150 yd 0 1 –
1999-07-18 HeatShelby County · forecast zone Shelby A heat wave gripped the area for the last 2 weeks of July. Temperatures stayed in the middle to upper 90s with a few days topping 100. Columbia set a record high with 104 degrees on 7/29/99. St. Louis tied a record with 103 degrees on 7/30/99. The Heat Index generally ranged from 105 to near 115. Most of the deaths ... 0 1 –
The costliest records in Shelby County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2025-08-09 TornadoLeonard, Shelby County EF1 3.07 mi x 100 yd 0 0 $105K
2025-08-09 TornadoLeonard, Shelby County EF1 0.36 mi x 75 yd 0 0 $90K

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 $2.5M, in the dollars of the day) holds: April 23, 1975 (tornado, Shelby 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 Shelby 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).

Shelby County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind246127241611
Hail0444122205
Winter storms––––1218138
Heat––––117212
Floods––––41591
Tornadoes23310363

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

What time of year?

41% of its severe thunderstorm wind events since 1958 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 24 · Feb 17 · Mar 27 · Apr 27 · May 41 · Jun 49 · Jul 47 · Aug 37 · Sep 11 · Oct 9 · Nov 7 · Dec 17 (records).

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

Federal disaster declarations for Shelby County

FEMA's register lists 27 declarations that include Shelby County: 21 major disasters, 6 emergencies and 0 fire management assistance declarations. Most were for severe storm (16) and severe ice storm (3).

Declarations including Shelby County, newest first
DeclaredNumberTypeTitle
2026-08-03DR-4929Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2023-09-21DR-4741Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2020-03-26DR-4490BiologicalCovid-19 Pandemic
2020-03-13EM-3482BiologicalCovid-19
2019-07-09DR-4451Severe StormSevere Storms, Tornadoes, and Flooding
2015-08-07DR-4238Severe StormSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2014-10-31DR-4200Severe StormSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2013-07-18DR-4130Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2011-03-23DR-1961Severe StormSevere Winter Storm and Snowstorm
2011-02-03EM-3317Severe StormSevere Winter Storm
2010-08-17DR-1934Severe StormSevere Storms, Flooding, and Tornadoes
2009-06-19DR-1847Severe StormSevere Storms, Tornadoes, and Flooding
2009-01-30EM-3303Severe Ice StormSevere Winter Storm
2008-11-13DR-1809Severe StormSevere Storms, Flooding, and A Tornado
2008-06-25DR-1773Severe StormSevere Storms and Flooding
2007-12-12EM-3281Severe Ice StormSevere Winter Storms
2005-09-10EM-3232HurricaneHurricane Katrina Evacuation
2004-06-11DR-1524Severe StormSevere Storms, Tornadoes, and Flooding
2003-05-06DR-1463Severe StormSevere Storms, Tornadoes, and Flooding
2002-05-06DR-1412Severe StormSevere Storms, Tornadoes and Flooding
2002-02-06DR-1403Severe Ice StormSevere Winter Ice Storm
1993-07-09DR-995FloodSevere Storms & Flooding
1986-10-14DR-779FloodSevere Storms & Flooding
1976-09-24EM-3017DroughtDrought
1975-05-03DR-466TornadoTornadoes, High Winds & Hail
1973-11-01DR-407FloodSevere Storms & Flooding
1973-04-19DR-372Severe StormHeavy Rains, Tornadoes & Flooding

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 Shelby County had?

NOAA's Storm Events Database holds 29 flood or flash flood records for Shelby County from 1996 to 2026, on 28 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Shelby County ranks 2756th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $81,000 on 2 claims filed in Shelby County; the most in one year was 1 in 2001. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

2001: 1 · 2008: 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 Shelby County

FEMA's National Risk Index rates Shelby County Very Low overall, with an expected annual loss of $6.6 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 Shelby County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
LightningRelatively High$1.0M47 a year (modeled)
Heat WaveRelatively Moderate$1.6M8.8 modeled event-days a year
DroughtRelatively Low$319K7.3 modeled event-days a year
TornadoRelatively Low$806Konce in about 4 years (modeled)
HailRelatively Low$164K3.4 a year (modeled)
Winter WeatherRelatively Low$27K10 a year (modeled)
Cold WaveRelatively Low$361K4.2 a year (modeled)
Strong WindRelatively Low$249K3.5 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 Shelby County

  1. Marion County 428
  2. Macon County 417
  3. Lewis County 405
  4. Monroe County 334
  5. Shelby County 313
  6. Knox County 282

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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