Illinois

Storm History: Clinton County, Illinois

355 episodes, 470 events since 1956

Every storm the National Weather Service has filed in Clinton 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
470
Deaths
3
Injuries
7
Damage
$33 million
Episodes
355

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 Clinton 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
Hail12000$259,000
Thunderstorm Wind10000$185,000
Tornado9920$32 million
Flash Flood3600$535,000
Winter Storm2700
Heat2502
Excessive Heat2502
Heavy Snow1000
High Wind400$26,000
Ice Storm300
Flood310
Heavy Rain300
Drought300
Cold/Wind Chill300
Winter Weather203
Sleet200
Blizzard200
Extreme Cold/Wind Chill100
Frost/Freeze100
Strong Wind100$1,000

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 Clinton County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Clinton CountyEvery warning in Clinton 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.