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Shannon County, Missouri severe weather history spans 480 recorded events between 1967 and 2026. The dominant hazard is hail, accounting for 31.9% of all recorded events. It ranks #949 nationally and #42 in Missouri.
480
Recorded events
7
Direct deaths
1
Direct injuries
$22.5M
Property damage
The record
What the Shannon County, Missouri severe weather history record shows
Across the archive, Shannon County, Missouri severe weather history averages 8.1 recorded events a year. The busiest stretch on record is the 2000s, with 155 events logged in that decade alone. Roughly 29 events fall before 1990 and 451 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Shannon County, Missouri record is tornado, responsible for 4 direct deaths. The costliest is flash flood, with $15.5M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Shannon County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Hail | 153 | 0 | $30K | 2.75 | 1969–2026 |
| Thunderstorm Wind | 144 | 1 | $3.5M | 70 | 1967–2026 |
| Flash Flood | 75 | 2 | $15.5M | 0 | 1996–2025 |
| Flood | 71 | 0 | $12K | 0 | 2008–2026 |
| Tornado | 22 | 4 | $3.6M | F3 | 1968–2026 |
| Heavy Rain | 14 | 0 | $0 | 0 | 2016–2025 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2012–2012 |
Decade by decade
Shannon County, Missouri severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
20 mapped tornado paths intersect this county: 15 touched down inside it and 5 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1984-10-18 | EF3 | 1 | 1 | 26.0 mi | Crossed in |
| 2025-03-14 | EF3 | 0 | 0 | 57.2 mi | Crossed in |
| 2024-05-26 | EF3 | 0 | 5 | 12.4 mi | Crossed in |
| 1973-11-24 | EF2 | 3 | 1 | 1.0 mi | Touched down here |
| 2024-05-26 | EF2 | 0 | 0 | 3.2 mi | Touched down here |
| 2009-05-08 | EF2 | 0 | 2 | 27.9 mi | Crossed in |
| 2008-01-08 | EF1 | 0 | 0 | 2.3 mi | Touched down here |
| 2008-01-08 | EF1 | 0 | 0 | 9.8 mi | Touched down here |
| 1992-03-06 | EF1 | 0 | 0 | 1.6 mi | Touched down here |
| 1984-11-09 | EF1 | 0 | 0 | 0.5 mi | Touched down here |
Significant events
Deadliest events on record in Shannon County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Nov 24, 1973 | Tornado | 3 | 1 | $250K | |
| Aug 8, 2011 | Thunderstorm Wind | WINONA | 1 | 0 | $0 |
| Jul 5, 2011 | Flash Flood | BARTLETT | 1 | 0 | $2K |
| Apr 10, 2008 | Flash Flood | CEDARGROVE | 1 | 0 | $0 |
| Oct 19, 1984 | Tornado | 1 | 0 | $2.5M |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A Shannon County resident was swept off a low water bridge during the early morning hours of July 5th after isolated thunderstorms produced heavy rainfall causing a small stream to become swollen and overflow its banks. The driver attempted to drive over the flooded low water bridge and was swept nearly 150 yards down stream where his car and body were found on July 13th.
One to three inches of rain fell over Shannon County. All low areas that typically flood during periods of excessive rainfall were flooded. A 14 year old male attempted to cross a flooded creek in extreme northeast Shannon County near the community of Bunker. He lost grip of a cable he was using to keep stable in the swift flowing water. He was swept downstream where he drowned.
Numerous campgrounds and river access areas were severely damaged across Shannon County and in the Ozark National Scenic Riverways Park. Numerous homes and businesses were severely damage or washed away along the Jack Fork River and Current River. This report will contain the total dollar estimate for flood damage to infrastructure, businesses, and homes across Shannon County.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
7,177
Population (ACS)
$158K
Median home value
27
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| May 21, 2025 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | DR |
| May 21, 2025 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND WILDFIRES | DR |
| Jan 1, 2025 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING | DR |
| Jul 23, 2024 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | DR |
| Jul 9, 2020 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING | DR |
| Mar 26, 2020 | Biological | COVID-19 PANDEMIC | DR |
Within the county
Most affected places
- Winona 117
Quick answers
Frequently asked
How many severe weather events have been recorded in Shannon County, Missouri?
480 events are on record between 1967 and 2026, causing 7 direct deaths and $22.5M in property damage.
What is the most common severe weather hazard in Shannon County?
Hail, with 153 recorded events — 31.9% of everything in the archive for this county.
How many tornadoes have crossed Shannon County?
20 mapped tornado paths intersect the county boundary; 15 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Shannon County?
27 federal disaster declarations from FEMA include Shannon County, each tied to a specific incident period.
How risky is Shannon County compared with the rest of the country?
FEMA's National Risk Index rates Shannon County as relatively low risk, placing it in the 58 percentile of its state for expected annual loss.
Where does the Shannon 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
- Scott County 400
- Shelby County 193
- Scotland County 266
- Stoddard County 423
- Schuyler County 97
- Stone County 679
Cite this page
“Shannon County, Missouri.” Severe Weather History. severeweatherhistory.com/county/missouri/shannon-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.