Tennessee

Storm History: Williamson County, Tennessee

475 episodes, 915 events since 1960

Every storm the National Weather Service has filed in Williamson County, Tennessee: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
915
Deaths
6
Injuries
23
Damage
$59 million
Episodes
475

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Williamson County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Tornado255317$50 million
Hail18710$776,000
Flash Flood16504$3.5 million
Thunderstorm Wind15620$4.1 million
Drought2900
Winter Weather2900$35,000
Winter Storm2700$100,000
Flood1700$13,000
Excessive Heat1700$81,000
Heavy Snow1100
Strong Wind700$13,000
Ice Storm600$29,000
Lightning402$25,000
High Wind300$5,000
Funnel Cloud100
Extreme Cold/Wind Chill100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Williamson County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Williamson CountyEvery warning in Williamson County since 1986Every county in Tennessee

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.