Missouri

Storm History: Clay County, Missouri

551 episodes, 1,119 events since 1955

Every storm the National Weather Service has filed in Clay County, Missouri: 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
1,119
Deaths
4
Injuries
38
Damage
$127 million
Episodes
551

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 Clay 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
Hail40202$4.0 million
Tornado291031$117 million
Flash Flood17100$5.0 million
Thunderstorm Wind9001$66,000
Flood5700$4,000
Winter Storm2200
Drought2100
Heat1920
Ice Storm1210$22,000
Heavy Snow900$250,000
Extreme Cold/Wind Chill800
Winter Weather614
Excessive Heat300
Blizzard300
High Wind200
Cold/Wind Chill200
Frost/Freeze100

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 Clay County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Clay CountyEvery warning in Clay County since 1986Every county in Missouri

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.