Missouri

Storm History: Jefferson County, Missouri

556 episodes, 805 events since 1957

Every storm the National Weather Service has filed in Jefferson 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
805
Deaths
11
Injuries
19
Damage
$18 million
Episodes
556

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 Jefferson 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
Hail27700$128,000
Tornado19631$10 million
Thunderstorm Wind10013$124,000
Flash Flood7040$7.0 million
Heat3319
Winter Storm3204
Excessive Heat3100
Heavy Snow1300
Flood1210
Drought1000
High Wind600
Ice Storm500
Lightning300$50,000
Heavy Rain300
Winter Weather310
Sleet302
Cold/Wind Chill300
Strong Wind200$6,000
Extreme Cold/Wind Chill100
Frost/Freeze100
Blizzard100

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 Jefferson County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Jefferson CountyEvery warning in Jefferson 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.