Storms in Illinois in 2001

1,300 events in 401 episodes

Every storm the National Weather Service filed in Illinois in 2001, 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 2001 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: 1,300
Deaths: 44
Injuries: 34
Damage: $58 million
Episodes: 401

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	455	0	8	$1.9 million
Hail	193	2	2	$931,000
Flood	129	0	0	$8,000
Heat	128	36	0
Flash Flood	75	2	6	$38 million
High Wind	60	1	4	$125,000
Winter Weather	42	0	0
Strong Wind	41	0	3	$10,000
Winter Storm	32	0	0
Heavy Snow	22	0	0
Tornado	21	0	10	$17 million
Extreme Cold/Wind Chill	19	0	0
Dense Fog	19	0	0
Frost/Freeze	19	0	0
Lightning	17	3	1	$132,000
Ice Storm	16	0	0
Funnel Cloud	6	0	0
Heavy Rain	5	0	0
Waterspout	1	0	0

Every episode, month by month

January 2001

February 2001

March 2001

April 2001

May 2001

June 2001

July 2001

August 2001

September 2001

October 2001

November 2001

December 2001

Every year in Illinois Every state in 2001 Tornadoes in Illinois in 2001 Warnings in Illinois in 2001 2000 2002

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.