Illinois

Storm History: DeWitt County, Illinois

294 episodes, 393 events since 1955

Every storm the National Weather Service has filed in DeWitt County, Illinois: 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
393
Deaths
4
Injuries
62
Damage
$45 million
Episodes
294

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 DeWitt 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
Tornado135458$16 million
Hail6700$432,000
Thunderstorm Wind3900$214,000
Flash Flood3500$5.2 million
Heavy Snow2400
Winter Storm1904$450,000
High Wind1500$90,000
Drought1400$22 million
Heat700
Extreme Cold/Wind Chill700
Excessive Heat700
Ice Storm500
Blizzard500
Dust Storm500
Cold/Wind Chill200
Flood200$50,000
Winter Weather200
Frost/Freeze100
Dense Fog100
Strong Wind100$5,000

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 DeWitt County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in DeWitt CountyEvery warning in DeWitt County since 1986Every county in Illinois

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.