Illinois

Storm History: DuPage County, Illinois

561 episodes, 1,203 events since 1955

Every storm the National Weather Service has filed in DuPage 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
1,203
Deaths
15
Injuries
149
Damage
$49 million
Episodes
561

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 DuPage 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
Tornado3664125$23 million
Hail20913$957,000
Flash Flood20724$22 million
Flood118011$1.1 million
Thunderstorm Wind10214$2.1 million
Winter Storm4800
High Wind4000$129,000
Extreme Cold/Wind Chill1710
Drought1500
Heavy Snow1400
Winter Weather1302$250,000
Cold/Wind Chill1020
Ice Storm900
Excessive Heat900
Strong Wind700$39,000
Blizzard540$75,000
Heat300
Lightning300$69,000
Funnel Cloud200
Lake-Effect Snow200
Dust Storm200
Wildfire100
Frost/Freeze100

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 DuPage County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in DuPage CountyEvery warning in DuPage 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.