Storms in Illinois in 2020
Every storm the National Weather Service filed in Illinois in 2020, 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 2020 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
- 1,756
- Deaths
- 11
- Injuries
- 32
- Damage
- $49 million
- Episodes
- 215
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 | 759 | 0 | 0 | $511,000 |
| Hail | 204 | 0 | 1 | $11 million |
| Flood | 140 | 0 | 1 | $340,000 |
| Flash Flood | 138 | 2 | 1 | $855,000 |
| Dense Fog | 116 | 0 | 0 | |
| Tornado | 74 | 1 | 12 | $12 million |
| Frost/Freeze | 73 | 0 | 0 | |
| Strong Wind | 69 | 0 | 0 | $102,000 |
| Winter Weather | 42 | 2 | 17 | |
| Heat | 41 | 0 | 0 | |
| Winter Storm | 30 | 0 | 0 | |
| Heavy Rain | 21 | 0 | 0 | |
| Funnel Cloud | 19 | 0 | 0 | |
| High Wind | 10 | 0 | 0 | |
| Lakeshore Flood | 7 | 0 | 0 | $25 million |
| Lightning | 4 | 0 | 0 | $50,000 |
| Rip Current | 4 | 4 | 0 | |
| Cold/Wind Chill | 2 | 2 | 0 | |
| Wildfire | 2 | 0 | 0 | $10,000 |
| Ice Storm | 1 | 0 | 0 |
Every episode, month by month
January 2020
- Flooding in Illinois, January 2 to 31, 2020
- Winter Storm in Illinois, January 10 to 11, 2020
- Ice Storm and Flooding in Illinois, January 10 to 11, 2020
- Tornado and Flash Flooding in Illinois, January 10 to 31, 2020
- Damaging Wind in Illinois, January 10, 2020
- Lakeshore Flood in Illinois, January 11 to 12, 2020
- Lightning Strike in Illinois, January 11, 2020
- Flooding in Illinois, January 11 to 12, 2020
- Flooding in Illinois, January 12 to 29, 2020
- Winter Storm in Illinois, January 17 to 18, 2020
- Cold in Illinois, January 20, 2020
- Flood in Illinois, January 21 to 22, 2020
February 2020
- Flooding in Illinois, February 1 to 3, 2020
- Flooding in Illinois, February 7 to 29, 2020
- Cold in Illinois, February 13 to 14, 2020
- Flooding in Illinois, February 13 to 21, 2020
- Lakeshore Flood in Illinois, February 25 to 26, 2020
- Winter Weather in Illinois, February 25 to 26, 2020
March 2020
- Flood in Illinois, March 1 to 31, 2020
- Hail in Illinois, March 2, 2020
- Hail in Illinois, March 2, 2020
- Hail in Illinois, March 3, 2020
- Lakeshore Flood in Illinois, March 6, 2020
- Dense Fog in Illinois, March 12, 2020
- Hail in Illinois, March 12, 2020
- Flash Flood and Hail in Illinois, March 12, 2020
- Winter Weather in Illinois, March 14, 2020
- Flooding in Illinois, March 18 to 31, 2020
- Dense Fog in Illinois, March 18 to 19, 2020
- Tornadoes and Flash Flooding in Illinois, March 19 to 22, 2020
- Dense Fog in Illinois, March 25, 2020
- Hail in Illinois, March 26, 2020
- Hail in Illinois, March 27, 2020
- Flash Flooding in Illinois, March 27 to 28, 2020
- Hail in Illinois, March 28, 2020
- Tornadoes and Lightning Strike in Illinois, March 28, 2020
- Tornadoes in Illinois, March 28, 2020
- Tornado and Flooding in Illinois, March 28 to 29, 2020
- High Wind in Illinois, March 29, 2020
April 2020
- Flooding in Illinois, April 1 to 11, 2020
- Flooding in Illinois, April 1 to 30, 2020
- Hail in Illinois, April 7, 2020
- Hail in Illinois, April 7, 2020
- Hail in Illinois, April 7, 2020
- Hail and Damaging Wind in Illinois, April 8, 2020
- Hail and Damaging Winds in Illinois, April 8, 2020
- Damaging Wind in Illinois, April 8, 2020
- Damaging Winds in Illinois, April 8, 2020
- Hail and Damaging Wind in Illinois, April 8, 2020
- Hail in Illinois, April 11, 2020
- Flood in Illinois, April 11 to 16, 2020
- Strong Wind in Illinois, April 13, 2020
- Frost and Freeze in Illinois, April 15, 2020
- Winter Weather in Illinois, April 15, 2020
- Winter Weather in Illinois, April 16 to 17, 2020
- Winter Storm and Winter Weather in Illinois, April 16 to 17, 2020
- High Wind in Illinois, April 20, 2020
- Dense Fog in Illinois, April 24, 2020
- Hail in Illinois, April 25, 2020
- Strong Wind in Illinois, April 25, 2020
- Flood in Illinois, April 26, 2020
- Hail and Damaging Wind in Illinois, April 28, 2020
- Hail in Illinois, April 28, 2020
- Tornado and Flash Flooding in Illinois, April 28, 2020
- Damaging Wind in Illinois, April 28, 2020
- Flood in Illinois, April 28 to 30, 2020
- Damaging Wind in Illinois, April 29, 2020
- Flooding in Illinois, April 29 to 30, 2020
- Lakeshore Flood in Illinois, April 29 to 30, 2020
May 2020
- Flooding in Illinois, May 1 to 13, 2020
- Hail and Damaging Wind in Illinois, May 2, 2020
- Damaging Wind in Illinois, May 5, 2020
- Frost and Freeze in Illinois, May 9, 2020
- Tornado and Flash Flood in Illinois, May 14 to 15, 2020
- Flash Flooding and Flooding in Illinois, May 14 to 15, 2020
- Damaging Winds in Illinois, May 14, 2020
- Damaging Wind in Illinois, May 16, 2020
- Flash Flooding and Hail in Illinois, May 16, 2020
- Flooding in Illinois, May 16 to 17, 2020
- Flooding in Illinois, May 17 to 20, 2020
- Tornadoes and Flash Flooding in Illinois, May 17 to 19, 2020
- Tornado and Damaging Wind in Illinois, May 17, 2020
- Tornado in Illinois, May 19, 2020
- Flood in Illinois, May 21, 2020
- Flooding in Illinois, May 21 to 31, 2020
- Tornadoes and Hail in Illinois, May 23, 2020
- Tornado and Hail in Illinois, May 23, 2020
- Tornadoes and Flash Flooding in Illinois, May 23, 2020
- Flash Flood and Damaging Winds in Illinois, May 24, 2020
- Flash Flood in Illinois, May 24, 2020
- Flash Flood and Damaging Winds in Illinois, May 25, 2020
- Flood and Damaging Winds in Illinois, May 25, 2020
- Flash Flooding and Hail in Illinois, May 25 to 26, 2020
- Damaging Wind in Illinois, May 25, 2020
- Damaging Winds in Illinois, May 26, 2020
- Damaging Winds in Illinois, May 26, 2020
- Tornado in Illinois, May 27, 2020
- Tornadoes and Flash Flood in Illinois, May 28, 2020
- Tornado and Flash Flood in Illinois, May 28, 2020
- Flash Flooding in Illinois, May 28, 2020
June 2020
- Flooding in Illinois, June 1 to 7, 2020
- Flood in Illinois, June 1 to 14, 2020
- Flash Flooding and Hail in Illinois, June 3, 2020
- Hail and Damaging Winds in Illinois, June 3, 2020
- Flash Flood and Damaging Wind in Illinois, June 3, 2020
- Flash Flooding and Hail in Illinois, June 3 to 4, 2020
- Damaging Winds in Illinois, June 4, 2020
- Strong Wind in Illinois, June 9, 2020
- Strong Wind in Illinois, June 9, 2020
- Tornadoes and Damaging Winds in Illinois, June 9, 2020
- Hail and Damaging Winds in Illinois, June 10, 2020
- Hail and Damaging Winds in Illinois, June 20, 2020
- Damaging Wind in Illinois, June 20, 2020
- Hail and Damaging Winds in Illinois, June 20, 2020
- Flash Flood and Hail in Illinois, June 21, 2020
- Flooding in Illinois, June 21, 2020
- Damaging Wind in Illinois, June 21, 2020
- Flooding and Hail in Illinois, June 22, 2020
- Flash Flooding and Damaging Winds in Illinois, June 22, 2020
- Flash Flood and Hail in Illinois, June 22, 2020
- Flash Flood in Illinois, June 22, 2020
- Flash Flood and Flooding in Illinois, June 26, 2020
- Damaging Winds in Illinois, June 26, 2020
- Damaging Winds in Illinois, June 26, 2020
- Flash Flooding and Flood in Illinois, June 26 to 27, 2020
- Flash Flood in Illinois, June 27, 2020
- Flash Flood in Illinois, June 27, 2020
- Flooding and Hail in Illinois, June 29, 2020
- Flash Flooding in Illinois, June 30, 2020
- Flash Flood in Illinois, June 30, 2020
- Flash Flooding in Illinois, June 30, 2020
July 2020
- Flash Flood in Illinois, July 1, 2020
- Flash Flood and Damaging Wind in Illinois, July 1, 2020
- Dense Fog in Illinois, July 2, 2020
- Tornado in Illinois, July 4, 2020
- Hail and Damaging Winds in Illinois, July 7, 2020
- Damaging Wind in Illinois, July 7, 2020
- Flash Flooding and Damaging Winds in Illinois, July 8, 2020
- Tornado and Damaging Winds in Illinois, July 8, 2020
- Damaging Wind in Illinois, July 8, 2020
- Damaging Winds in Illinois, July 8, 2020
- Flash Flood and Damaging Winds in Illinois, July 9, 2020
- Flash Flooding and Damaging Winds in Illinois, July 9, 2020
- Damaging Winds in Illinois, July 9, 2020
- Hail and Damaging Winds in Illinois, July 11, 2020
- Hail and Damaging Winds in Illinois, July 11, 2020
- Damaging Winds and Heavy Rain in Illinois, July 11, 2020
- Flood and Hail in Illinois, July 15 to 16, 2020
- Heat in Illinois, July 15, 2020
- Tornadoes and Flash Flooding in Illinois, July 15 to 16, 2020
- Tornadoes and Damaging Winds in Illinois, July 15, 2020
- Flash Flooding and Hail in Illinois, July 15 to 16, 2020
- Rip Current in Illinois, July 16, 2020
- Heat in Illinois, July 17 to 21, 2020
- Flash Flood and Damaging Winds in Illinois, July 17, 2020
- Damaging Winds in Illinois, July 18, 2020
- Damaging Wind in Illinois, July 18, 2020
- Flood and Damaging Winds in Illinois, July 19, 2020
- Damaging Winds in Illinois, July 19, 2020
- Flash Flood and Hail in Illinois, July 19, 2020
- Flash Flooding and Damaging Winds in Illinois, July 19 to 20, 2020
- Tornado in Illinois, July 20, 2020
- Funnel Cloud in Illinois, July 20, 2020
- Funnel Clouds in Illinois, July 20, 2020
- Tornado and Hail in Illinois, July 21, 2020
- Tornado and Damaging Winds in Illinois, July 21, 2020
- Damaging Wind in Illinois, July 21, 2020
- Lightning Strike in Illinois, July 22, 2020
- Flash Flood in Illinois, July 30, 2020
- Flash Flooding in Illinois, July 31, 2020
August 2020
- Flood in Illinois, August 2, 2020
- Flash Flooding in Illinois, August 3, 2020
- Rip Current in Illinois, August 3, 2020
- Flash Flooding in Illinois, August 9, 2020
- Heat in Illinois, August 10, 2020
- Tornado and Hail in Illinois, August 10, 2020
- Hail and Damaging Winds in Illinois, August 10, 2020
- Tornadoes and Hail in Illinois, August 10, 2020
- Damaging Winds in Illinois, August 10, 2020
- Damaging Winds in Illinois, August 10, 2020
- Flash Flooding in Illinois, August 12, 2020
- Flood in Illinois, August 12, 2020
- Flash Flood in Illinois, August 13, 2020
- Flash Flood in Illinois, August 13, 2020
- Damaging Winds in Illinois, August 15, 2020
- Dense Fog in Illinois, August 22, 2020
- Hail in Illinois, August 23, 2020
- Funnel Cloud in Illinois, August 24, 2020
- Damaging Wind in Illinois, August 25, 2020
September 2020
- Damaging Wind in Illinois, September 6, 2020
- Hail in Illinois, September 8, 2020
- Damaging Wind in Illinois, September 8, 2020
- Rip Currents in Illinois, September 10 to 11, 2020
- Dense Fog in Illinois, September 12, 2020
- Flood in Illinois, September 12, 2020
October 2020
- Frost and Freeze in Illinois, October 5, 2020
- Dense Fog in Illinois, October 12, 2020
- Wildfire in Illinois, October 14, 2020
- Wildfire in Illinois, October 14, 2020
- Flooding in Illinois, October 22, 2020
- Damaging Winds in Illinois, October 23, 2020
- Lakeshore Flood in Illinois, October 29, 2020
November 2020
- Frost and Freeze in Illinois, November 1 to 2, 2020
- Hail and Damaging Wind in Illinois, November 10, 2020
- Tornadoes and Damaging Winds in Illinois, November 10, 2020
- Hail and Damaging Winds in Illinois, November 10, 2020
- Tornadoes and Hail in Illinois, November 10, 2020
- Strong Wind in Illinois, November 14 to 15, 2020
- High Wind in Illinois, November 15, 2020
- Strong Wind in Illinois, November 15, 2020
December 2020
More
Every year in IllinoisEvery state in 2020Tornadoes in Illinois in 2020Warnings in Illinois in 202020192021
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.