Illinois

Storm History: Marion County, Illinois

368 episodes, 497 events since 1957

Every storm the National Weather Service has filed in Marion 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
497
Deaths
7
Injuries
25
Damage
$12 million
Episodes
368

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 Marion 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
Hail13402$953,000
Tornado122217$10 million
Thunderstorm Wind7805$357,000
Flash Flood4950$237,000
Winter Storm2800
Excessive Heat2500
Heat2401
Heavy Snow900
Flood500
High Wind400$3,000
Heavy Rain300
Drought300
Ice Storm200
Winter Weather200
Sleet200
Cold/Wind Chill200
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 Marion County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Marion CountyEvery warning in Marion 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.