Storms in Illinois in 2011
Every storm the National Weather Service filed in Illinois in 2011, 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 2011 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
The year
- Events
- 2,859
- Deaths
- 68
- Injuries
- 60
- Damage
- $299 million
- Episodes
- 304
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 | 882 | 1 | 9 | $2.0 million |
| Hail | 678 | 0 | 4 | $26 million |
| Flood | 179 | 0 | 0 | $5.3 million |
| Flash Flood | 170 | 1 | 7 | $213 million |
| Heat | 152 | 23 | 15 | |
| Winter Weather | 136 | 2 | 3 | $4,000 |
| Excessive Heat | 122 | 10 | 0 | |
| Tornado | 78 | 5 | 14 | $41 million |
| Heavy Rain | 74 | 0 | 0 | |
| Strong Wind | 65 | 0 | 0 | $85,000 |
| Lightning | 64 | 0 | 3 | $438,000 |
| Dense Fog | 59 | 0 | 0 | |
| Blizzard | 54 | 17 | 2 | $12 million |
| Winter Storm | 49 | 0 | 0 | |
| Frost/Freeze | 38 | 0 | 0 | |
| Funnel Cloud | 17 | 0 | 0 | |
| Heavy Snow | 12 | 0 | 3 | |
| Cold/Wind Chill | 9 | 9 | 0 | |
| Drought | 8 | 0 | 0 | |
| Ice Storm | 5 | 0 | 0 | |
| High Wind | 5 | 0 | 0 | $3,000 |
| Extreme Cold/Wind Chill | 1 | 0 | 0 | |
| Wildfire | 1 | 0 | 0 | |
| Dust Storm | 1 | 0 | 0 | $19,000 |
Every episode, month by month
January 2011
- Cold in Illinois, January 1, 2011
- Winter Weather in Illinois, January 10 to 11, 2011
- Winter Weather in Illinois, January 11, 2011
- Winter Weather in Illinois, January 11, 2011
- Cold in Illinois, January 16, 2011
- Winter Weather in Illinois, January 17, 2011
- Winter Weather in Illinois, January 17, 2011
- Dense Fog in Illinois, January 18, 2011
- Heavy Snow in Illinois, January 20, 2011
- Winter Storm and Winter Weather in Illinois, January 20, 2011
- Heavy Snow and Winter Weather in Illinois, January 20, 2011
- Cold in Illinois, January 21 to 24, 2011
- Winter Storm in Illinois, January 31, 2011
February 2011
- Blizzard and Winter Storm in Illinois, February 1 to 2, 2011
- Winter Weather in Illinois, February 1 to 2, 2011
- Blizzard in Illinois, February 1 to 2, 2011
- Blizzard in Illinois, February 1 to 2, 2011
- Blizzard and Ice Storm in Illinois, February 1 to 2, 2011
- Strong Wind in Illinois, February 1 to 2, 2011
- Cold in Illinois, February 2 to 4, 2011
- Cold in Illinois, February 3 to 4, 2011
- Winter Storm and Winter Weather in Illinois, February 5, 2011
- Winter Weather in Illinois, February 5, 2011
- Heavy Snow and Winter Weather in Illinois, February 7, 2011
- Winter Weather in Illinois, February 9, 2011
- Extreme Cold in Illinois, February 10, 2011
- Wildfire in Illinois, February 15, 2011
- Strong Wind in Illinois, February 17, 2011
- Winter Weather in Illinois, February 20, 2011
- Cold in Illinois, February 20 to 21, 2011
- Flash Flood and Heavy Rain in Illinois, February 24, 2011
- Winter Weather in Illinois, February 24 to 25, 2011
- Flooding in Illinois, February 27 to 28, 2011
- Hail and Winter Weather in Illinois, February 27 to 28, 2011
- Tornadoes and Hail in Illinois, February 27 to 28, 2011
- Hail and Damaging Winds in Illinois, February 27 to 28, 2011
- Hail and Damaging Winds in Illinois, February 27 to 28, 2011
March 2011
- Flooding in Illinois, March 1 to 23, 2011
- Flooding in Illinois, March 1 to 31, 2011
- Flood in Illinois, March 2 to 19, 2011
- Flooding in Illinois, March 4 to 5, 2011
- Winter Weather in Illinois, March 5, 2011
- Flood in Illinois, March 6 to 26, 2011
- Strong Wind in Illinois, March 12, 2011
- Cold in Illinois, March 14 to 15, 2011
- Flooding in Illinois, March 16 to 21, 2011
- Strong Wind in Illinois, March 17, 2011
- Flood and Hail in Illinois, March 20, 2011
- Hail in Illinois, March 20, 2011
- Hail in Illinois, March 21 to 22, 2011
- Strong Wind in Illinois, March 23, 2011
- Winter Weather in Illinois, March 26, 2011
April 2011
- Dust Storm and High Wind in Illinois, April 3, 2011
- Strong Wind in Illinois, April 3, 2011
- Hail in Illinois, April 3, 2011
- Hail and Damaging Winds in Illinois, April 3, 2011
- Hail in Illinois, April 4, 2011
- Damaging Winds and Heavy Rain in Illinois, April 4, 2011
- Hail in Illinois, April 9, 2011
- Hail in Illinois, April 9, 2011
- Hail and Lightning Strike in Illinois, April 9, 2011
- Hail and Lightning Strikes in Illinois, April 9, 2011
- Hail and Damaging Wind in Illinois, April 10, 2011
- Damaging Winds in Illinois, April 10 to 11, 2011
- Damaging Winds in Illinois, April 10, 2011
- Hail and Damaging Wind in Illinois, April 10 to 11, 2011
- Flooding in Illinois, April 10 to 30, 2011
- Cold in Illinois, April 13, 2011
- Flood in Illinois, April 13 to 22, 2011
- Strong Wind in Illinois, April 15, 2011
- Strong Wind in Illinois, April 15, 2011
- Hail and Damaging Winds in Illinois, April 15, 2011
- Tornadoes and Flash Flood in Illinois, April 15, 2011
- Hail and Damaging Winds in Illinois, April 15, 2011
- Hail in Illinois, April 15, 2011
- Flooding in Illinois, April 16 to 30, 2011
- Hail in Illinois, April 19, 2011
- Hail in Illinois, April 19, 2011
- Flood and Hail in Illinois, April 19, 2011
- Tornadoes and Hail in Illinois, April 19, 2011
- Tornadoes and Flash Flooding in Illinois, April 19 to 20, 2011
- Hail in Illinois, April 19, 2011
- Tornadoes and Hail in Illinois, April 19, 2011
- Flooding in Illinois, April 21 to 30, 2011
- Flash Flood and Hail in Illinois, April 22, 2011
- Flash Flooding and Hail in Illinois, April 22 to 23, 2011
- Flooding in Illinois, April 22 to 30, 2011
- Flood and Hail in Illinois, April 22, 2011
- Hail in Illinois, April 22, 2011
- Tornadoes and Flash Flooding in Illinois, April 22 to 23, 2011
- Flash Flood and Hail in Illinois, April 22 to 23, 2011
- Lightning Strike in Illinois, April 23, 2011
- Tornadoes and Flash Flooding in Illinois, April 23 to 24, 2011
- Flash Flooding and Hail in Illinois, April 23 to 26, 2011
- Flooding in Illinois, April 24 to 30, 2011
- Flooding in Illinois, April 24 to 30, 2011
- Flood in Illinois, April 24 to 30, 2011
- Hail in Illinois, April 24, 2011
- Flood in Illinois, April 25 to 30, 2011
- Flash Flooding and Damaging Wind in Illinois, April 25, 2011
- Flash Flood and Hail in Illinois, April 27, 2011
May 2011
- Flooding in Illinois, May 1 to 10, 2011
- Flash Flood and Flooding in Illinois, May 1 to 31, 2011
- Flash Flood in Illinois, May 3 to 5, 2011
- Tornado and Hail in Illinois, May 7, 2011
- Tornado and Hail in Illinois, May 7, 2011
- Hail in Illinois, May 10, 2011
- Hail in Illinois, May 10, 2011
- Hail and Damaging Wind in Illinois, May 11, 2011
- Damaging Wind in Illinois, May 11, 2011
- Flooding and Hail in Illinois, May 11, 2011
- Hail and Damaging Winds in Illinois, May 11, 2011
- Hail and Damaging Winds in Illinois, May 12, 2011
- Tornado and Flash Flood in Illinois, May 13, 2011
- Flash Flooding and Hail in Illinois, May 13 to 14, 2011
- Flood and Damaging Wind in Illinois, May 14, 2011
- Hail and Damaging Winds in Illinois, May 22, 2011
- Tornadoes and Flash Flood in Illinois, May 22, 2011
- Hail and Damaging Winds in Illinois, May 22, 2011
- Hail and Lightning Strike in Illinois, May 22, 2011
- Hail and Damaging Wind in Illinois, May 22, 2011
- Hail and Damaging Winds in Illinois, May 23, 2011
- Hail and Damaging Winds in Illinois, May 23, 2011
- Tornado and Hail in Illinois, May 23, 2011
- Hail in Illinois, May 24, 2011
- Flash Flooding and Hail in Illinois, May 25 to 26, 2011
- Tornadoes and Hail in Illinois, May 25, 2011
- Tornado and Flash Flooding in Illinois, May 25 to 26, 2011
- Tornadoes and Flash Flooding in Illinois, May 25, 2011
- Flash Flood and Hail in Illinois, May 25, 2011
- Tornadoes and Hail in Illinois, May 25, 2011
- Hail in Illinois, May 28, 2011
- Hail and Lightning Strike in Illinois, May 28, 2011
- Hail in Illinois, May 28, 2011
- Flash Flood and Flooding in Illinois, May 28, 2011
- Flash Flood and Hail in Illinois, May 29, 2011
- Flash Flood and Hail in Illinois, May 29, 2011
- Flash Flooding and Flooding in Illinois, May 29, 2011
- Heat in Illinois, May 30, 2011
- Hail in Illinois, May 31, 2011
June 2011
- Flooding in Illinois, June 1 to 30, 2011
- Flash Flooding in Illinois, June 2, 2011
- Excessive Heat in Illinois, June 4 to 8, 2011
- Hail and Damaging Winds in Illinois, June 4, 2011
- Hail and Damaging Winds in Illinois, June 4, 2011
- Hail in Illinois, June 4, 2011
- Flash Flood in Illinois, June 5, 2011
- Hail and Damaging Winds in Illinois, June 5, 2011
- Hail and Lightning Strike in Illinois, June 5, 2011
- Lightning Strike in Illinois, June 5, 2011
- Heat in Illinois, June 6 to 8, 2011
- Flash Flooding and Flooding in Illinois, June 8 to 9, 2011
- Hail and Damaging Winds in Illinois, June 8 to 9, 2011
- Flash Flood and Hail in Illinois, June 9, 2011
- Tornado and Flash Flood in Illinois, June 10, 2011
- Flash Flooding and Hail in Illinois, June 10 to 11, 2011
- Hail and Damaging Winds in Illinois, June 10, 2011
- Hail in Illinois, June 11, 2011
- Lightning Strike in Illinois, June 12, 2011
- Flash Flooding and Damaging Winds in Illinois, June 13 to 14, 2011
- Damaging Winds in Illinois, June 13, 2011
- Flash Flood in Illinois, June 14, 2011
- Flash Flood in Illinois, June 14, 2011
- Lightning Strikes in Illinois, June 14, 2011
- Flash Flooding and Hail in Illinois, June 14 to 15, 2011
- Flash Flooding in Illinois, June 14 to 15, 2011
- Tornado and Damaging Winds in Illinois, June 15, 2011
- Hail in Illinois, June 15, 2011
- Tornadoes and Hail in Illinois, June 15, 2011
- Damaging Wind in Illinois, June 15, 2011
- Flooding in Illinois, June 15 to 16, 2011
- Hail and Damaging Winds in Illinois, June 17, 2011
- Hail and Damaging Winds in Illinois, June 17, 2011
- Flash Flooding and Hail in Illinois, June 17 to 18, 2011
- Flash Flooding and Damaging Winds in Illinois, June 17 to 18, 2011
- Hail and Damaging Wind in Illinois, June 18, 2011
- Flash Flooding and Flooding in Illinois, June 18 to 21, 2011
- Tornado and Damaging Winds in Illinois, June 19, 2011
- Flash Flood in Illinois, June 19, 2011
- Damaging Wind in Illinois, June 19, 2011
- Hail in Illinois, June 19, 2011
- Hail in Illinois, June 19, 2011
- Damaging Winds and Lightning Strikes in Illinois, June 20, 2011
- Tornado and Flash Flooding in Illinois, June 20, 2011
- Flash Flooding and Hail in Illinois, June 21 to 22, 2011
- Flash Flood and Hail in Illinois, June 21, 2011
- Flash Flooding and Damaging Winds in Illinois, June 21 to 22, 2011
- Hail and Damaging Winds in Illinois, June 21, 2011
- Tornadoes and Flooding in Illinois, June 21, 2011
- Flooding in Illinois, June 23 to 30, 2011
- Hail in Illinois, June 25, 2011
- Flash Flood in Illinois, June 25, 2011
- Flash Flooding and Hail in Illinois, June 25 to 26, 2011
- Flash Flooding and Flooding in Illinois, June 25 to 26, 2011
- Lightning Strike and Heavy Rain in Illinois, June 25 to 26, 2011
- Hail and Damaging Winds in Illinois, June 26 to 27, 2011
- Flash Flood and Hail in Illinois, June 26 to 27, 2011
- Flash Flooding and Hail in Illinois, June 26 to 27, 2011
- Damaging Winds in Illinois, June 27, 2011
- Hail and Damaging Winds in Illinois, June 30, 2011
July 2011
- Flooding in Illinois, July 1 to 19, 2011
- Heat in Illinois, July 1 to 3, 2011
- Flash Flooding and Hail in Illinois, July 2 to 3, 2011
- Heat in Illinois, July 3, 2011
- Hail and Damaging Wind in Illinois, July 3, 2011
- Flash Flood and Hail in Illinois, July 3 to 4, 2011
- Flash Flood and Damaging Winds in Illinois, July 7, 2011
- Flash Flooding in Illinois, July 7, 2011
- Flash Flooding and Flood in Illinois, July 7 to 10, 2011
- Excessive Heat in Illinois, July 10 to 12, 2011
- Excessive Heat in Illinois, July 10 to 12, 2011
- Excessive Heat in Illinois, July 10 to 12, 2011
- Damaging Winds in Illinois, July 11, 2011
- Damaging Winds and Lightning Strikes in Illinois, July 11, 2011
- Damaging Winds in Illinois, July 11, 2011
- Flash Flood and Damaging Winds in Illinois, July 12, 2011
- Flash Flooding and Hail in Illinois, July 12, 2011
- Flash Flooding and Hail in Illinois, July 12, 2011
- Excessive Heat in Illinois, July 17 to 28, 2011
- Excessive Heat in Illinois, July 17 to 31, 2011
- Heat in Illinois, July 17 to 26, 2011
- Excessive Heat in Illinois, July 19 to 24, 2011
- Hail in Illinois, July 19, 2011
- Excessive Heat in Illinois, July 20 to 24, 2011
- Flash Flood and Flood in Illinois, July 22, 2011
- Flash Flooding and Damaging Wind in Illinois, July 22 to 23, 2011
- Damaging Winds and Lightning Strikes in Illinois, July 23 to 24, 2011
- Damaging Winds in Illinois, July 24, 2011
- Damaging Winds in Illinois, July 24, 2011
- Damaging Wind and Heavy Rain in Illinois, July 24, 2011
- Dense Fog in Illinois, July 25, 2011
- Heat in Illinois, July 26, 2011
- Hail in Illinois, July 26, 2011
- Damaging Wind in Illinois, July 26, 2011
- Flash Flood in Illinois, July 27, 2011
- Heat in Illinois, July 27 to 29, 2011
- Tornadoes and Flash Flooding in Illinois, July 27 to 28, 2011
- Flood and Damaging Winds in Illinois, July 27 to 28, 2011
- Flash Flood in Illinois, July 28 to 29, 2011
- Flash Flood and Damaging Winds in Illinois, July 28 to 29, 2011
- Damaging Winds in Illinois, July 29, 2011
- Flash Flooding and Flooding in Illinois, July 29 to 30, 2011
- Flash Flood in Illinois, July 30, 2011
- Damaging Wind in Illinois, July 30, 2011
- Heat in Illinois, July 31, 2011
August 2011
- Heat in Illinois, August 1 to 3, 2011
- Excessive Heat in Illinois, August 1 to 3, 2011
- Excessive Heat and Heat in Illinois, August 1 to 3, 2011
- Excessive Heat in Illinois, August 1 to 2, 2011
- Hail and Damaging Winds in Illinois, August 2, 2011
- Damaging Wind in Illinois, August 5, 2011
- Heat in Illinois, August 6 to 7, 2011
- Heat in Illinois, August 6 to 7, 2011
- Hail and Damaging Winds in Illinois, August 6 to 7, 2011
- Damaging Wind in Illinois, August 7, 2011
- Hail and Damaging Winds in Illinois, August 8, 2011
- Flash Flood and Lightning Strike in Illinois, August 8, 2011
- Damaging Winds in Illinois, August 8, 2011
- Flash Flood and Hail in Illinois, August 12, 2011
- Damaging Wind in Illinois, August 12, 2011
- Flood and Hail in Illinois, August 13, 2011
- Hail and Damaging Wind in Illinois, August 13, 2011
- Hail in Illinois, August 13, 2011
- Hail and Damaging Winds in Illinois, August 18, 2011
- Hail and Damaging Winds in Illinois, August 20, 2011
- Damaging Wind and Lightning Strike in Illinois, August 20, 2011
- Damaging Wind and Heavy Rain in Illinois, August 21, 2011
- Lightning Strike in Illinois, August 23, 2011
- Flash Flood and Heavy Rain in Illinois, August 23, 2011
- Hail and Lightning Strike in Illinois, August 23, 2011
- Heat in Illinois, August 24, 2011
- Hail in Illinois, August 24, 2011
- Heat in Illinois, August 31, 2011
September 2011
- Drought in Illinois, September 1 to 30, 2011
- Heat in Illinois, September 1 to 3, 2011
- Hail and Damaging Winds in Illinois, September 3, 2011
- Hail in Illinois, September 3, 2011
- Hail and Damaging Winds in Illinois, September 3, 2011
- Damaging Winds in Illinois, September 3, 2011
- Dense Fog in Illinois, September 23, 2011
- Heavy Rain in Illinois, September 24 to 25, 2011
- Flood in Illinois, September 26, 2011
- Strong Wind in Illinois, September 29, 2011
- High Wind and Strong Wind in Illinois, September 29, 2011
October 2011
- Drought in Illinois, October 1 to 31, 2011
- Lightning Strike in Illinois, October 12, 2011
- High Wind in Illinois, October 19 to 20, 2011
- Frost and Freeze in Illinois, October 22, 2011
November 2011
- Dense Fog in Illinois, November 4 to 5, 2011
- Frost and Freeze in Illinois, November 11, 2011
- Strong Wind in Illinois, November 13, 2011
- Strong Wind in Illinois, November 13, 2011
- Hail and Damaging Winds in Illinois, November 14, 2011
- Hail and Damaging Wind in Illinois, November 14, 2011
- Hail in Illinois, November 20, 2011
- Dense Fog in Illinois, November 24 to 25, 2011
- Flooding in Illinois, November 28 to 30, 2011
- Winter Weather in Illinois, November 29, 2011
December 2011
More
Every year in IllinoisEvery state in 2011Tornadoes in Illinois in 2011Warnings in Illinois in 201120102012
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.