Storms in Illinois in 2004

1,657 events in 422 episodes

Every storm the National Weather Service filed in Illinois in 2004, with each episode’s narrative and every event in it. 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.

Illinois in 2004 on the map

Every episode with a place to put it, colored by kind of event.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over Illinois

The year

Events: 1,657
Deaths: 28
Injuries: 47
Damage: $27 million
Episodes: 422

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.

By kind of event

Kind of event	Events	Deaths	Injuries	Damage
Thunderstorm Wind	581	0	1	$366,000
Hail	370	0	2	$1.5 million
Flash Flood	193	0	1	$969,000
Flood	90	0	0	$16,000
Tornado	87	9	31	$24 million
Winter Storm	70	1	5	$100,000
Cold/Wind Chill	55	17	0
Ice Storm	31	0	0
High Wind	31	1	6	$11,000
Winter Weather	30	0	0	$15,000
Heavy Rain	30	0	0
Lightning	21	0	1	$26,000
Heavy Snow	19	0	0	$30,000
Funnel Cloud	16	0	0
Heat	16	0	0
Frost/Freeze	15	0	0
Seiche	2	0	0

Every episode, month by month

January 2004

February 2004

March 2004

April 2004

May 2004

June 2004

July 2004

August 2004

September 2004

October 2004

November 2004

December 2004

Every year in Illinois Every state in 2004 Tornadoes in Illinois in 2004 Warnings in Illinois in 2004 2003 2005

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.