Illinois

Storms in Illinois in 2015

1,810 events in 256 episodes

Every storm the National Weather Service filed in Illinois in 2015, 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 2015 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
1,810
Deaths
38
Injuries
65
Damage
$74 million
Episodes
256

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 eventEventsDeathsInjuriesDamage
Thunderstorm Wind35910$1.4 million
Hail31700$2.0 million
Flash Flood182110$9.5 million
Dense Fog14735
Heavy Snow12120
Winter Weather115012$300,000
Flood9840$1.5 million
Winter Storm8300$150,000
Tornado83448$54 million
Excessive Heat6500
Heat4610
Heavy Rain4400$2,000
Cold/Wind Chill3790$8,000
Strong Wind2600$71,000
Frost/Freeze1900
Extreme Cold/Wind Chill1510
Sleet1300
High Wind1100$40,000
Ice Storm1120$5.0 million
Lightning800$10,000
Blizzard700
Funnel Cloud200
Wildfire100

Every episode, month by month

January 2015

February 2015

March 2015

April 2015

May 2015

June 2015

July 2015

August 2015

September 2015

October 2015

November 2015

December 2015

More

Every year in IllinoisEvery state in 2015Tornadoes in Illinois in 2015Warnings in Illinois in 201520142016

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.