Illinois

Storm History: Madison County, Illinois

645 episodes, 1,009 events since 1950

Every storm the National Weather Service has filed in Madison 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
1,009
Deaths
21
Injuries
186
Damage
$100 million
Episodes
645

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 Madison 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
Hail29600$1.2 million
Thunderstorm Wind24200$1.1 million
Tornado238668$71 million
Flash Flood6200$46,000
Winter Storm3622$1.7 million
Heat35391
Excessive Heat3596
Flood1300$25 million
Heavy Snow1200
High Wind1100$59,000
Lightning501
Drought400
Ice Storm300
Winter Weather300
Cold/Wind Chill300
Extreme Cold/Wind Chill210
Heavy Rain200
Sleet200
Blizzard200
Frost/Freeze100
Dense Fog1018
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 Madison County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Madison CountyEvery warning in Madison 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.