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Harrison County, Missouri severe weather history spans 310 recorded events between 1957 and 2026. The dominant hazard is hail, accounting for 50.3% of all recorded events. It ranks #1,723 nationally and #72 in Missouri.
310
Recorded events
1
Direct deaths
9
Direct injuries
$6.3M
Property damage
The record
What the Harrison County, Missouri severe weather history record shows
Across the archive, Harrison County, Missouri severe weather history averages 4.5 recorded events a year. The busiest stretch on record is the 2010s, with 109 events logged in that decade alone. Roughly 42 events fall before 1990 and 268 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Harrison County, Missouri record is tornado, responsible for 1 direct deaths. The costliest is tornado, with $6.1M in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Harrison County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Hail | 156 | 0 | $135K | 4 | 1958–2026 |
| Thunderstorm Wind | 107 | 0 | $123K | 75 | 1957–2024 |
| Tornado | 24 | 1 | $6.1M | F4 | 1958–2017 |
| Flash Flood | 17 | 0 | $0 | 0 | 1996–2025 |
| Flood | 3 | 0 | $0 | 0 | 2011–2019 |
| Heavy Rain | 3 | 0 | $0 | 0 | 2000–2025 |
Decade by decade
Harrison County, Missouri severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
28 mapped tornado paths intersect this county: 21 touched down inside it and 7 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 2004-05-29 | EF4 | 3 | 6 | 22.0 mi | Crossed in |
| 1984-06-07 | EF4 | 3 | 64 | 134.0 mi | Touched down here |
| 1995-05-27 | EF3 | 0 | 0 | 30.4 mi | Touched down here |
| 1960-04-16 | EF3 | 0 | 4 | 27.0 mi | Crossed in |
| 1989-05-24 | EF2 | 0 | 0 | 2.5 mi | Touched down here |
| 1970-04-29 | EF2 | 0 | 0 | 29.3 mi | Touched down here |
| 1958-11-17 | EF2 | 0 | 0 | 4.1 mi | Touched down here |
| 2017-06-28 | EF1 | 0 | 0 | 16.4 mi | Crossed in |
| 2005-06-04 | EF1 | 0 | 0 | 5.0 mi | Crossed in |
| 2005-06-04 | EF1 | 0 | 0 | 1.0 mi | Crossed in |
Significant events
Deadliest events on record in Harrison County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 7, 1984 | Tornado | 1 | 1 | $2.5M | |
| Apr 16, 1960 | Tornado | 0 | 4 | $25K | |
| Jun 16, 2017 | Thunderstorm Wind | RIDGEWAY | 0 | 2 | $0 |
| Jun 16, 2017 | Thunderstorm Wind | BROOKLYN | 0 | 1 | $0 |
| Mar 7, 2017 | Thunderstorm Wind | BETHANY MEM ARPT | 0 | 1 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
This tornado is a continuation of the tornado that moved out of Gentry County. This tornado moved through mainly rural parts of Harrison County, where it produced mostly damage to trees. There was a structure west of Bethany that sustained some EF-1 damage. Otherwise the damage was EF-0 with this tornado across the county.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
8,190
Population (ACS)
$110K
Median home value
18
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Mar 26, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Jul 9, 2019 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING | DR |
| Aug 7, 2015 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING | DR |
| Oct 31, 2014 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING | DR |
| Feb 3, 2011 | Severe Storm | SEVERE WINTER STORM | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Harrison County, Missouri?
310 events are on record between 1957 and 2026, causing 1 direct deaths and $6.3M in property damage.
What is the most common severe weather hazard in Harrison County?
Hail, with 156 recorded events — 50.3% of everything in the archive for this county.
How many tornadoes have crossed Harrison County?
28 mapped tornado paths intersect the county boundary; 21 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Harrison County?
18 federal disaster declarations from FEMA include Harrison County, each tied to a specific incident period.
How risky is Harrison County compared with the rest of the country?
FEMA's National Risk Index rates Harrison County as very low risk, placing it in the 29 percentile of its state for expected annual loss.
Where does the Harrison County, Missouri severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Grundy County 366
- Henry County 371
- Greene County 2,096
- Hickory County 372
- Gentry County 232
- Holt County 250
Cite this page
“Harrison County, Missouri.” Severe Weather History. severeweatherhistory.com/county/missouri/harrison-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.