Gasconade County, Missouri

County storm and disaster record · FIPS 29073 · population 14,761 · 519 sq mi

NOAA's Storm Events Database holds 436 records for Gasconade County, Missouri from 1950 through June 30, 2026, on 331 days; the most frequent are hail reports (137 records). The most damaging was the June 6, 1997 hail ($1.8 million in 2025 dollars). FEMA has issued 21 declarations naming the county since 1973, 19 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
436on 331 days, 1950 to June 30, 2026
Deaths recorded
015 injuries
Damage, 2025 dollars
$76Mas filed (scale steps before 1993)
Tornadoes
8strongest F2
FEMA declarations
21latest 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 Gasconade County most?

The most frequent records are hail reports: 137 since 1959. 60% of its hail reports since 1959 fell in April and May. 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.

Gasconade County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Hail 137 91 1959-2024 0 0 $1.8M 44 of 114
Severe thunderstorm wind 131 96 1962-2024 0 3 $1.2M 57 of 114
Heat 54 54 1998-2025 0 1 – 21 of 114
Winter storms 51 49 1996-2025 0 0 $195K 51 of 114
Floods 35 34 1996-2023 0 0 $265K 79 of 114
Tornadoes 8 8 1967-2014 0 10 $72M 110 of 114
Drought 6 6 2005-2012 0 0 – 107 of 114
Extreme cold 5 5 2000-2024 0 0 – 92 of 114
High wind and dust storms 5 5 2001-2009 0 0 $4K 43 of 114
Heavy rain 3 3 2003-2008 0 0 – 51 of 114
Lightning 1 1 2008-2008 0 1 $171K 56 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 Gasconade County had?

NOAA records 8 tornadoes in Gasconade County from 1967 to 2014, the strongest rated F2, with 0 deaths and 10 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 8 tornadoes whose track touched Gasconade County since 1950 (NOAA's county records number 8, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Missouri.

Every tornado record filed for Gasconade County (8)
Every tornado recorded in Gasconade County, newest first
DatePlaceCharacterKilledInjuredDamage
2014-06-07 Owensville, Gasconade County EF0 0.05 mi x 20 yd 0 0 –
2011-02-27 Stony Hill, Gasconade County EF1 0.74 mi x 175 yd 0 0 –
2008-01-07 Woollam, Gasconade County EF0 0.28 mi x 50 yd 0 0 –
1985-05-13 Gasconade County F1 6 mi x 100 yd 0 0 $250K step
1984-04-29 Gasconade County F2 14 mi x 10 yd 0 10 $25M step
1983-05-01 Gasconade County F1 1 mi x 50 yd 0 0 $250 step
1982-04-16 Gasconade County F1 0.1 mi x 50 yd 0 0 $25K step
1967-12-20 Gasconade County F1 10.3 mi x 100 yd 0 0 $25K 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 Gasconade County?

The most recent record with damage, injuries or deaths is the October 17, 2012 thunderstorm wind (2 injuries).

A line of severe thunderstorms moved through Bland. Twelve buildings in town sustained some type of damage. Most of the damage was minor, to shingles, siding and windows. However, the post office sustained major damage with the roof lifted and shifted off to the north. This caused the front wall, which was made up of windows to fall into the building. A postal employee was briefly trapped in the building but she managed to get herself out. She only sustained minor injuries. Also, numerous trees, tree limbs and a few power lines were knocked down. One home owner sustained minor injuries from flying glass. Two vehicles had their windows broken from flying debris. Winds were estimated between 80 and 90 mph.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 416187)
The 12 most recent records kept for Gasconade County
DateRecordCharacterKilledInjuredDamage
2025-07-25 Excessive HeatGasconade County · forecast zone Gasconade 0 0 –
2025-01-05 Winter StormGasconade County · forecast zone Gasconade 0 0 –
2024-05-26 HailSwiss, Gasconade County 2.25 in hail 0 0 –
2023-07-19 Thunderstorm WindRosebud, Gasconade County 65 kt wind 0 0 –
2023-04-15 HailBland, Gasconade County 2.00 in hail 0 0 –
2015-04-08 HailBland, Gasconade County 2.75 in hail 0 0 –
2014-06-07 TornadoOwensville, Gasconade County EF0 0.05 mi x 20 yd 0 0 –
2012-10-17 Thunderstorm WindBland, Gasconade County 78 kt wind 0 2 –
2012-03-02 HailHermann, Gasconade County 2.00 in hail 0 0 –
2011-06-10 HailHermann, Gasconade County 2.75 in hail 0 0 –
2011-04-19 HailRosebud, Gasconade County 2.00 in hail 0 0 –
2011-02-27 Thunderstorm WindWoollam, Gasconade County 70 kt wind 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 Gasconade County, most deaths first
DateRecordCharacterKilledInjuredDamage
1984-04-29 TornadoGasconade County F2 14 mi x 10 yd 0 10 $25M step
2012-10-17 Thunderstorm WindBland, Gasconade County A line of severe thunderstorms moved through Bland. Twelve buildings in town sustained some type of damage. Most of the damage was minor, to shingles, siding and windows. However, the post office sustained major damage with the roof lifted and shifted off to the north. This caused the front wall, which was made up of ... 78 kt wind 0 2 –
2008-06-26 LightningCanaan, Gasconade County Lightning struck a house in the Peaceful Valley Lake area around 530 am, but smoldered til around 10 am before neighbors saw the smoke. Fortunately no one was home at the time when the fire fully broke out. The home was completely destroyed. One fire fighter sustained second degree burns to his neck when burning ... 0 1 $171K
2002-08-01 HeatGasconade County · forecast zone Gasconade 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 –
1984-04-29 Thunderstorm WindGasconade County 0 1 –

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.

The costliest records in Gasconade County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
1997-06-06 HailOwensville, Gasconade County 2.00 in hail 0 0 $1.8M
2008-06-26 LightningCanaan, Gasconade County 0 1 $171K

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 $25M, in the dollars of the day) holds: April 29, 1984 (tornado, Gasconade 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 Gasconade 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).

Gasconade County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Hail142121450468
Severe thunderstorm wind0351622353812
Heat––––220302
Winter storms––––1121136
Floods––––611144

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

What time of year?

60% of its hail reports since 1959 fell in April and May. The two busiest months are in violet.

The values, month by month

Jan 27 · Feb 22 · Mar 30 · Apr 75 · May 59 · Jun 57 · Jul 62 · Aug 41 · Sep 15 · Oct 15 · Nov 12 · Dec 21 (records).

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

Federal disaster declarations for Gasconade County

FEMA's register lists 21 declarations that include Gasconade County: 13 major disasters, 8 emergencies and 0 fire management assistance declarations. Most were for severe storm (7) and flood (7).

Declarations including Gasconade County, newest first
DeclaredNumberTypeTitle
2026-08-03DR-4929Severe 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
2017-06-02DR-4317FloodSevere Storms, Tornadoes, Straight-Line Winds and Flooding
2016-01-21DR-4250FloodSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2016-01-02EM-3374FloodSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2011-06-30EM-3325FloodFlooding
2011-02-03EM-3317Severe StormSevere Winter Storm
2009-01-30EM-3303Severe Ice StormSevere Winter Storm
2008-03-19DR-1749Severe StormSevere Storms and Flooding
2007-12-12EM-3281Severe Ice StormSevere Winter Storms
2007-01-15DR-1676Severe Ice StormSevere Winter Storms and Flooding
2005-09-10EM-3232HurricaneHurricane Katrina Evacuation
2003-05-06DR-1463Severe StormSevere Storms, Tornadoes, and Flooding
2000-05-12DR-1328FloodSevere Thunderstorms and Flash Flooding
1995-06-02DR-1054Severe StormSevere Storms, Tornadoes, Hail, Flooding
1993-07-09DR-995FloodSevere Storms & Flooding
1986-10-14DR-779FloodSevere Storms & Flooding
1976-09-24EM-3017DroughtDrought
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 Gasconade County had?

NOAA's Storm Events Database holds 35 flood or flash flood records for Gasconade County from 1996 to 2023, on 34 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Gasconade County ranks 558th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $8.1 million on 445 claims filed in Gasconade County; the most in one year was 103 in 1993. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 2 · 1981: 1 · 1982: 14 · 1983: 12 · 1985: 17 · 1986: 27 · 1988: 1 · 1990: 24 · 1991: 1 · 1993: 103 · 1994: 9 · 1995: 61 · 1996: 1 · 1998: 3 · 2002: 4 · 2008: 21 · 2009: 1 · 2011: 4 · 2013: 24 · 2015: 47 · 2016: 7 · 2017: 49 · 2019: 9 · 2020: 3; 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 Gasconade County

FEMA's National Risk Index rates Gasconade 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 Gasconade County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Heat WaveRelatively Moderate$1.7M12 modeled event-days a year
LandslideRelatively Low$4Kabout once a year (modeled)
EarthquakeRelatively Low$613Konce in about 335 years (modeled)
Ice StormRelatively Low$136K1.1 a year (modeled)
Cold WaveRelatively Low$1.1M1.8 a year (modeled)
Riverine FloodingRelatively Low$6.8M1.2 a year (modeled)
HailRelatively Low$235K5 a year (modeled)
Winter WeatherRelatively Low$53K8.9 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 Gasconade County

  1. Franklin County 882
  2. Phelps County 678
  3. Crawford County 478
  4. Gasconade County 436
  5. Montgomery County 424
  6. Warren County 413
  7. Maries County 392
  8. Osage County 346

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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