Illinois

Storm History: Carroll County, Illinois

457 episodes, 608 events since 1950

Every storm the National Weather Service has filed in Carroll 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
608
Deaths
0
Injuries
15
Damage
$34 million
Episodes
457

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 Carroll 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
Hail10800$1.1 million
Thunderstorm Wind9902$1.5 million
Tornado86013$3.0 million
Winter Storm7500
Flash Flood6400$13 million
Winter Weather4700$5,000
Flood2200$255,000
Heavy Snow1700
Ice Storm1400$1,000
Drought1400$16 million
Extreme Cold/Wind Chill1200
Dense Fog1100
High Wind900$100,000
Frost/Freeze800$25,000
Blizzard700
Cold/Wind Chill500
Heat300
Strong Wind200$5,000
Lightning100$30,000
Debris Flow100$30,000
Excessive Heat100
Freezing Fog100
Funnel Cloud100

The deadliest

None recorded.

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 Carroll County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Carroll CountyEvery warning in Carroll 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.