Live
Active alerts for this county
Air Quality Alert
Robertson; Sumner; Macon; Dickson; Cheatham; Davidson; Wilson; Trousdale; Smith; Hickman; Williamson; Maury; Rutherford; Cannon
Heat Advisory
Stewart; Montgomery; Robertson; Sumner; Macon; Clay; Pickett; Houston; Humphreys; Dickson; Cheatham; Davidson; Wilson; Trousdale; Smith; Jackson; Putnam; Overton; Fentress; Perry; Hickman; Lewis; Williamson; Maury; Marshall; Rutherford; Cannon; De Kalb; White; Cumberland; Bedford; Coffee; Warren; Grundy; Van Buren; Wayne; Lawrence; Giles
Williamson County, Tennessee severe weather history spans 787 recorded events between 1960 and 2026. The dominant hazard is thunderstorm wind, accounting for 54.4% of all recorded events. It ranks #303 nationally and #4 in Tennessee.
787
Recorded events
6
Direct deaths
19
Direct injuries
$57.5M
Property damage
The record
What the Williamson County, Tennessee severe weather history record shows
Across the archive, Williamson County, Tennessee severe weather history averages 11.9 recorded events a year. The busiest stretch on record is the 2010s, with 323 events logged in that decade alone. Roughly 25 events fall before 1990 and 762 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Williamson County, Tennessee record is thunderstorm wind, responsible for 4 direct deaths. The costliest is tornado, with $38.8M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Williamson County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 428 | 4 | $3.3M | 90 | 1960–2026 |
| Hail | 197 | 0 | $111K | 3 | 1961–2025 |
| Flash Flood | 73 | 1 | $2.4M | 0 | 1996–2025 |
| Lightning | 31 | 0 | $2.9M | 0 | 1998–2024 |
| Tornado | 25 | 1 | $38.8M | F4 | 1963–2025 |
| Flood | 20 | 0 | $10.0M | 0 | 2010–2025 |
| Funnel Cloud | 8 | 0 | $0 | 0 | 2009–2023 |
| Heavy Rain | 5 | 0 | $0 | 0 | 2008–2020 |
Decade by decade
Williamson County, Tennessee severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
29 mapped tornado paths intersect this county: 25 touched down inside it and 4 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 2009-04-10 | EF4 | 2 | 58 | 23.3 mi | Touched down here |
| 1988-12-24 | EF4 | 1 | 7 | 6.0 mi | Touched down here |
| 2003-05-11 | EF3 | 0 | 1 | 1.0 mi | Touched down here |
| 1963-01-10 | EF3 | 0 | 4 | 4.0 mi | Crossed in |
| 2008-02-05 | EF2 | 0 | 1 | 25.3 mi | Crossed in |
| 2017-03-01 | EF1 | 0 | 0 | 10.5 mi | Touched down here |
| 2013-01-30 | EF1 | 0 | 0 | 4.6 mi | Touched down here |
| 2011-04-04 | EF1 | 0 | 0 | 4.9 mi | Touched down here |
| 2003-05-11 | EF1 | 0 | 0 | 0.5 mi | Touched down here |
| 2003-05-05 | EF1 | 0 | 0 | 4.0 mi | Touched down here |
Significant events
Deadliest events on record in Williamson County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Dec 24, 1988 | Tornado | 1 | 7 | $25.0M | |
| Oct 12, 2022 | Thunderstorm Wind | FOREST HOME | 1 | 0 | $10K |
| May 3, 2020 | Thunderstorm Wind | HARPETH | 1 | 0 | $0 |
| Apr 27, 2011 | Thunderstorm Wind | MUDSINK | 1 | 0 | $0 |
| May 1, 2010 | Flash Flood | PEYTONSVILLE | 1 | 0 | $50K |
| Jun 11, 2003 | Thunderstorm Wind | FRANKLIN | 1 | 0 | $0 |
| Apr 27, 2012 | Tornado | FRANKLIN | 0 | 6 | $75K |
| Apr 21, 1972 | Tornado | 0 | 3 | $250K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Nolensville road, south of Nashville, was flooded. Some cars were left abandoned. Details concerning amount of damage to cars abandoned were unknown. Also, numerous homes, numerous businesses, numerous non comercial buildings, along with several county, state, and federal roads across the county received damage due to the flood.
43 homes were damaged and 3 homes were destroyed in Williamson County by the tornado. 28 units in the Executive House condominium complex in Franklin had to be evacuated after the roof was torn away. Crews worked Sunday to free people trapped inside their homes by fallen trees on Big East Fork Rd. Most of the damage to homes was roof damage and trees falling on houses.An 84-year-old grandmother was rescued from a demolished 3-story home at 1933 Old Hillsoboro Rd. She received a fractured pelvic bone.
A lightning strike set fire to a house, whose original value was estimated to be near 2.45 million dollars, on Chatfield Way, resulting in a fire that initially broke through the roof and became visible from Cool Springs Boulevard before firefighters could get on the scene. This home received substantial fire damage. The home was located in Cool Springs in the Enclave at Cambridge Community.
Context
Risk, population and federal disasters
Relatively Moderate
FEMA NRI risk rating
260,351
Population (ACS)
$752K
Median home value
16
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Feb 6, 2026 | Winter Storm | SEVERE WINTER STORM | DR |
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Apr 2, 2025 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | EM |
| May 8, 2021 | Tornado | SEVERE STORMS, TORNADOES, AND FLOODING | DR |
| Apr 2, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
Within the county
Most affected places
- Mallorys 118
- Franklin 117
- Nolensville 109
Quick answers
Frequently asked
How many severe weather events have been recorded in Williamson County, Tennessee?
787 events are on record between 1960 and 2026, causing 6 direct deaths and $57.5M in property damage.
What is the most common severe weather hazard in Williamson County?
Thunderstorm Wind, with 428 recorded events — 54.4% of everything in the archive for this county.
How many tornadoes have crossed Williamson County?
29 mapped tornado paths intersect the county boundary; 25 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Williamson County?
16 federal disaster declarations from FEMA include Williamson County, each tied to a specific incident period.
How risky is Williamson County compared with the rest of the country?
FEMA's National Risk Index rates Williamson County as relatively moderate risk, placing it in the 85 percentile of its state for expected annual loss.
Where does the Williamson County, Tennessee 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
- White County 258
- Wilson County 885
- Weakley County 316
- Wayne County 282
- Washington County 299
- Warren County 265
Cite this page
“Williamson County, Tennessee.” Severe Weather History. severeweatherhistory.com/county/tennessee/williamson-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.