Audrain County, Missouri
County storm and disaster record · FIPS 29007 · population 24,918 · 692 sq mi
NOAA's Storm Events Database holds 468 records for Audrain County, Missouri from 1950 through June 30, 2026, on 351 days; the most frequent are severe thunderstorm wind events (155 records). The deadliest single record is the June 25, 2024 thunderstorm wind: 1 death and $47,000 in damage in 2025 dollars. FEMA has issued 19 declarations naming the county since 1974, 17 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Straight-Line Winds, Tornadoes, and Flooding” on September 1, 2021.
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
- 468on 351 days, 1950 to June 30, 2026
- Deaths recorded
- 13 injuries
- Damage, 2025 dollars
- $14Mas filed (scale steps before 1993)
- Tornadoes
- 26strongest F3
- FEMA declarations
- 19latest 2021
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 Audrain County most?
The most frequent records are severe thunderstorm wind events: 155 since 1958. 44% of its severe thunderstorm wind events since 1958 fell in May and June. 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.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 155 | 123 | 1958-2026 | 1 | 0 | $255K | 64 of 114 |
| Hail | 123 | 79 | 1956-2026 | 0 | 0 | – | 91 of 114 |
| Winter storms | 53 | 52 | 1996-2025 | 0 | 0 | – | 83 of 114 |
| Heat | 49 | 49 | 1999-2025 | 0 | 2 | – | 35 of 114 |
| Floods | 39 | 38 | 1996-2025 | 0 | 1 | $105K | 84 of 114 |
| Tornadoes | 26 | 21 | 1954-2025 | 0 | 0 | $14M | 67 of 114 |
| Drought | 9 | 9 | 2005-2012 | 0 | 0 | – | 99 of 114 |
| Extreme cold | 5 | 5 | 2000-2024 | 0 | 0 | – | 108 of 114 |
| High wind and dust storms | 5 | 5 | 2001-2009 | 0 | 0 | $4K | 59 of 114 |
| Lightning | 3 | 3 | 1998-2006 | 0 | 0 | – | 32 of 114 |
| Heavy rain | 1 | 1 | 2005-2005 | 0 | 0 | – | 90 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 Audrain County had?
NOAA records 26 tornadoes in Audrain County from 1954 to 2025, the strongest rated F3, with 0 deaths and 0 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 27 tornadoes whose track touched Audrain County since 1950 (NOAA's county records number 26: 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.
| Date | Tornado | Rating | Path | Killed |
|---|---|---|---|---|
| 1970-06-12 16:40, as SPC files it | Vandiver | F3 | 16 mi | 0 |
Map of the strongest tornado tracks in Missouri.
Every tornado record filed for Audrain County (26)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2025-04-20 | Worchester, Audrain County | EF1 0.32 mi x 50 yd | 0 | 0 | $60K |
| 2025-03-14 | Martinsburg, Audrain County | EF1 6.75 mi x 770 yd | 0 | 0 | $50K |
| 2019-05-22 | Worchester, Audrain County | EF0 0.83 mi x 150 yd | 0 | 0 | – |
| 2016-04-19 | Bassinger Corner, Audrain County | EF0 2.01 mi x 15 yd | 0 | 0 | – |
| 2010-07-20 | Mexico Mem Airport, Audrain County | EF0 0.58 mi x 40 yd | 0 | 0 | – |
| 2008-12-27 | Rush Hill, Audrain County | EF1 3.55 mi x 30 yd | 0 | 0 | – |
| 2008-01-07 | Ortiz, Audrain County | EF0 0.3 mi x 40 yd | 0 | 0 | – |
| 2006-06-22 | Laddonia, Audrain County | F0 3.5 mi x 50 yd | 0 | 0 | – |
| 2006-06-22 | Mexico, Audrain County | F0 0.3 mi x 50 yd | 0 | 0 | – |
| 2006-06-22 | Mexico, Audrain County | F1 1 mi x 50 yd | 0 | 0 | – |
| 2006-06-22 | Mexico, Audrain County | F0 0.1 mi x 40 yd | 0 | 0 | – |
| 2006-03-12 | Molino, Audrain County | F0 6 mi x 75 yd | 0 | 0 | – |
| 1999-04-08 | Mexico, Audrain County | F1 10 mi x 100 yd | 0 | 0 | – |
| 1998-06-14 | Benton City, Audrain County | F0 4 mi x 50 yd | 0 | 0 | – |
| 1993-09-22 | Martinsburg To, Audrain County | F2 12 mi x 120 yd | 0 | 0 | $10M |
| 1991-06-15 | Audrain County | F0 0.2 mi x 23 yd | 0 | 0 | – |
| 1984-06-08 | Audrain County | F1 1 mi x 77 yd | 0 | 0 | $250K step |
| 1984-06-08 | Audrain County | F0 0.3 mi x 50 yd | 0 | 0 | – |
| 1971-06-11 | Audrain County | F0 0.2 mi x 17 yd | 0 | 0 | $3K step |
| 1970-06-12 | Audrain County | F3 16 mi x 100 yd | 0 | 0 | $250K step |
| 1966-12-08 | Audrain County | F2 0.3 mi x 50 yd | 0 | 0 | $25K step |
| 1965-07-09 | Audrain County | F1 1 mi x 300 yd | 0 | 0 | $3K step |
| 1961-06-07 | Audrain County | F0 0.2 mi x 10 yd | 0 | 0 | $30 step |
| 1960-06-11 | Audrain County | F1 4.1 mi x 33 yd | 0 | 0 | $25K step |
| 1954-04-05 | Audrain County | F1 0.3 mi x 17 yd | 0 | 0 | $25K step |
| 1954-04-05 | Audrain County | F1 0.2 mi x 10 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 Audrain County?
The most recent record with damage, injuries or deaths is the July 21, 2025 flash flood ($60,000 in damage in 2025 dollars).
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-05-18 | Thunderstorm WindVandalia, Audrain County | 50 kt wind | 0 | 0 | – |
| 2026-04-27 | HailMartinsburg, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-27 | HailWorchester, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-27 | HailMexico, Audrain County | 1.75 in hail | 0 | 0 | – |
| 2026-04-27 | HailWorchester, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-27 | HailMexico, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-27 | HailMexico, Audrain County | 1.50 in hail | 0 | 0 | – |
| 2026-04-27 | HailFrancis, Audrain County | 2.00 in hail | 0 | 0 | – |
| 2026-04-27 | HailVandalia Airport, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-17 | Thunderstorm WindOrtiz, Audrain County | 65 kt wind | 0 | 0 | – |
| 2026-04-17 | HailMexico, Audrain County | 1.00 in hail | 0 | 0 | – |
| 2026-04-17 | HailMexico, Audrain County | 1.00 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
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2024-06-25 | Thunderstorm WindVandalia, Audrain County One direct fatality occurred 5 miles north of Martinsburg when an old, dilapidated barn on Highway 54 collapsed on an individual seeking shelter from the thunderstorm. Large trees and tree limbs were blown down in Vandalia, Laddonia, and Mexico. Siding was also blown off a church south of Mexico Airport (MYJ), power ... | 65 kt wind | 1 | 0 | $47K |
| 2002-08-01 | HeatAudrain County · forecast zone Audrain The hot temperatures of late July continued across central and eastern Missouri into early August. The temperature his 101 degrees in St. Louis on August 1, and then was 99 for the 3rd, 4th, and 5th. Columbia hit 99 degrees on August 3rd. There was one death reported by local health officials. A 59 year old man died ... | 0 | 1 | – | |
| 2001-02-24 | FloodCountywide, Audrain County Rainfall from 2 to 21/2 inches caused localized flooding across Audrain County. A 17 year-old boy suffered minor injuries when the van he was driving was overtaken by floodwater on County Road 820. After driving into the water, he managed to escape the stalled vehicle by crawling out a window. He was swept into the ... | 0 | 1 | – | |
| 1999-07-18 | HeatAudrain County · forecast zone Audrain 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 | – |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 1993-09-22 | TornadoMartinsburg To, Audrain County | F2 12 mi x 120 yd | 0 | 0 | $10M |
| 2025-04-20 | TornadoWorchester, Audrain County | EF1 0.32 mi x 50 yd | 0 | 0 | $60K |
| 2025-07-21 | Flash FloodCarroll, Audrain County | 0 | 0 | $60K | |
| 2025-03-14 | TornadoMartinsburg, Audrain County | EF1 6.75 mi x 770 yd | 0 | 0 | $50K |
| 2024-06-25 | Thunderstorm WindVandalia, Audrain County | 65 kt wind | 1 | 0 | $47K |
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 12, 1970 (tornado, Audrain County); June 8, 1984 (tornado, Audrain 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 Audrain 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).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 5 | 2 | 18 | 16 | 17 | 45 | 34 | 18 |
| Hail | 4 | 3 | 3 | 20 | 12 | 38 | 21 | 22 |
| Winter storms | – | – | – | – | 12 | 20 | 15 | 6 |
| Heat | – | – | – | – | 1 | 20 | 26 | 2 |
| Floods | – | – | – | – | 6 | 18 | 11 | 4 |
| Tornadoes | 2 | 4 | 2 | 2 | 4 | 7 | 3 | 2 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
44% of its severe thunderstorm wind events since 1958 fell in May and June. The two busiest months are in violet.
The values, month by month
Jan 27 · Feb 13 · Mar 41 · Apr 54 · May 58 · Jun 90 · Jul 68 · Aug 46 · Sep 19 · Oct 11 · Nov 17 · Dec 24 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Audrain County
FEMA's register lists 19 declarations that include Audrain County: 12 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for severe storm (8) and severe ice storm (4).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2021-09-01 | DR-4612 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding |
| 2020-03-26 | DR-4490 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3482 | Biological | Covid-19 |
| 2016-01-02 | EM-3374 | Flood | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding |
| 2015-08-07 | DR-4238 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding |
| 2011-03-23 | DR-1961 | Severe Storm | Severe Winter Storm and Snowstorm |
| 2011-02-03 | EM-3317 | Severe Storm | Severe Winter Storm |
| 2009-01-30 | EM-3303 | Severe Ice Storm | Severe Winter Storm |
| 2008-11-13 | DR-1809 | Severe Storm | Severe Storms, Flooding, and A Tornado |
| 2008-06-25 | DR-1773 | Severe Storm | Severe Storms and Flooding |
| 2008-03-19 | DR-1749 | Severe Storm | Severe Storms and Flooding |
| 2007-12-27 | DR-1736 | Severe Ice Storm | Severe Winter Storms |
| 2007-12-12 | EM-3281 | Severe Ice Storm | Severe Winter Storms |
| 2005-09-10 | EM-3232 | Hurricane | Hurricane Katrina Evacuation |
| 2003-05-06 | DR-1463 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| 2002-02-06 | DR-1403 | Severe Ice Storm | Severe Winter Ice Storm |
| 1993-07-09 | DR-995 | Flood | Severe Storms & Flooding |
| 1976-09-24 | EM-3017 | Drought | Drought |
| 1974-06-10 | DR-439 | Flood | Severe Storms & 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 Audrain County had?
NOAA's Storm Events Database holds 39 flood or flash flood records for Audrain County from 1996 to 2025, on 38 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Audrain County ranks 1569th of 2,942 U.S. counties.
The National Flood Insurance Program has paid $656,000 on 60 claims filed in Audrain County; the most in one year was 14 in 1981. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1978: 10 · 1979: 3 · 1980: 2 · 1981: 14 · 1982: 5 · 1983: 2 · 1984: 5 · 1989: 2 · 1991: 1 · 1993: 3 · 1996: 1 · 1998: 1 · 2003: 2 · 2005: 1 · 2006: 1 · 2008: 3 · 2015: 2 · 2025: 2; 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 Audrain County
FEMA's National Risk Index rates Audrain County Relatively Low overall, with an expected annual loss of $13.2 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.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Heat Wave | Relatively Moderate | $1.7M | 11 modeled event-days a year |
| Drought | Relatively Moderate | $584K | 7.3 modeled event-days a year |
| Winter Weather | Relatively Moderate | $85K | 9.8 a year (modeled) |
| Lightning | Relatively Moderate | $252K | 49 a year (modeled) |
| Strong Wind | Relatively Moderate | $522K | 3.9 a year (modeled) |
| Earthquake | Relatively Low | $1.0M | once in about 444 years (modeled) |
| Hail | Relatively Low | $376K | 4.1 a year (modeled) |
| Cold Wave | Relatively Low | $1.3M | 2.7 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 Audrain County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in MissouriEvery Missouri tornado since 1950 and the counties with the most per square mile
- Severe thunderstorm wind in MissouriThe state's severe thunderstorm wind events, by county, year and month
- The Missouri recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Audrain CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Audrain County's FEMA declarations (CSV)19 rows: every declaration that named the county, for your own analysis