Storms in Illinois in 2017

1,732 events in 209 episodes

Every storm the National Weather Service filed in Illinois in 2017, 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 2017 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: 1,732
Deaths: 11
Injuries: 49
Damage: $63 million
Episodes: 209

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	535	0	1	$1.7 million
Hail	428	0	0	$3.2 million
Flood	156	1	0	$8.8 million
Flash Flood	124	0	0	$19 million
Strong Wind	121	4	4	$130,000
Dense Fog	101	1	10
Tornado	61	3	19	$30 million
Winter Weather	54	0	0
Heat	41	0	15
Excessive Heat	37	0	0
Frost/Freeze	19	0	0
Ice Storm	12	0	0	$200,000
Heavy Rain	10	0	0
Funnel Cloud	8	0	0
High Wind	7	0	0	$50,000
Winter Storm	5	0	0
Drought	4	0	0
Extreme Cold/Wind Chill	4	2	0
Lightning	3	0	0
Lake-Effect Snow	2	0	0

Every episode, month by month

January 2017

February 2017

March 2017

April 2017

May 2017

June 2017

July 2017

August 2017

September 2017

October 2017

November 2017

December 2017

Every year in Illinois Every state in 2017 Tornadoes in Illinois in 2017 Warnings in Illinois in 2017 2016 2018

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.