Storm History: Hamilton County, Illinois
Every storm the National Weather Service has filed in Hamilton County, Illinois: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.
The record
- Events
- 662
- Deaths
- 1
- Injuries
- 9
- Damage
- $18 million
- Episodes
- 625
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.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Dense Fog | 105 | 0 | 0 | |
| Winter Weather | 58 | 0 | 0 | |
| Frost/Freeze | 52 | 0 | 0 | $3.0 million |
| Hail | 51 | 0 | 0 | $782,000 |
| Heat | 51 | 0 | 0 | |
| Strong Wind | 49 | 0 | 0 | $58,000 |
| Flash Flood | 47 | 0 | 0 | $553,000 |
| Tornado | 39 | 0 | 9 | $9.4 million |
| Winter Storm | 37 | 0 | 0 | $100,000 |
| Thunderstorm Wind | 34 | 1 | 0 | $598,000 |
| Excessive Heat | 33 | 0 | 0 | |
| Drought | 30 | 0 | 0 | $3.5 million |
| Cold/Wind Chill | 21 | 0 | 0 | |
| Heavy Snow | 19 | 0 | 0 | |
| High Wind | 11 | 0 | 0 | $14,000 |
| Flood | 10 | 0 | 0 | $460,000 |
| Ice Storm | 6 | 0 | 0 | $10,000 |
| Extreme Cold/Wind Chill | 4 | 0 | 0 | |
| Heavy Rain | 3 | 0 | 0 | |
| Freezing Fog | 1 | 0 | 0 | |
| Dust Storm | 1 | 0 | 0 | $1,000 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Drought, September 1, 2007
- Frost/Freeze, April 8, 2007
- Tornado, April 19, 1996
- Tornado, January 7, 1989
- Tornado, June 2, 1990
- Hail, April 24, 2002
- Tornado, December 18, 1957
- Flood, March 18, 2008
- Tornado, March 30, 1982
- Tornado, October 3, 1990
- Flash Flood, March 3, 2023
- Tornado, April 19, 2011
- Flash Flood, April 28, 1996
- Tornado, March 19, 2020
- Winter Storm, January 26, 2009
- Tornado, February 20, 2014
- Flood, August 1, 2024
- Thunderstorm Wind, August 12, 2010
- Thunderstorm Wind, March 9, 2006
- Thunderstorm Wind, August 10, 2020
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
The strongest tornadoes
Every episode, newest first
- Dense Fog, February 15, 2026
- Drought, February 10, 2026
- Cold/Wind Chill, January 30, 2026
- Extreme Cold/Wind Chill, January 25, 2026
- Winter Storm, January 24, 2026
- Cold/Wind Chill, January 23, 2026
- Dense Fog, November 23, 2025
- Dense Fog, November 22, 2025
- Thunderstorm Wind, October 19, 2025
- Drought, October 1, 2025
- Dense Fog, September 23, 2025
- Drought, September 9, 2025
- Excessive Heat, August 14, 2025
- Flash Flood, August 4, 2025
- Excessive Heat, July 22, 2025
- Flash Flood, July 19, 2025
- Excessive Heat, July 16, 2025
- Dense Fog, May 5, 2025
- Strong Wind, March 28, 2025
- High Wind, March 19, 2025
- High Wind, March 14, 2025
- Strong Wind, March 5, 2025
- Cold/Wind Chill, February 21, 2025
- Cold/Wind Chill, February 19, 2025
- Heavy Snow, February 18, 2025
- Winter Weather, February 16, 2025
- Dense Fog, January 30, 2025
- Cold/Wind Chill, January 19, 2025
- Heavy Snow, January 10, 2025
- Ice Storm, January 5, 2025
- Flood, December 29, 2024
- Winter Weather, December 2, 2024
- Winter Weather, November 30, 2024
- Frost/Freeze, October 17, 2024
- Flood, August 1, 2024
- Excessive Heat, August 1, 2024
- Thunderstorm Wind, July 30, 2024
- Excessive Heat, July 29, 2024
- Flash Flood, July 28, 2024
- Excessive Heat, July 14, 2024
- Excessive Heat, July 3, 2024
- Excessive Heat, June 25, 2024
- Tornado, May 26, 2024
- Dense Fog, May 18, 2024
- Dense Fog, April 29, 2024
- Dense Fog, April 23, 2024
- Dense Fog, April 7, 2024
- Frost/Freeze, April 6, 2024
- Strong Wind, March 25, 2024
- Tornado, March 14, 2024
- Dense Fog, March 2, 2024
- Heavy Snow, February 16, 2024
- Dense Fog, January 24, 2024
- Dense Fog, January 23, 2024
- Cold/Wind Chill, January 20, 2024
- Cold/Wind Chill, January 16, 2024
- Cold/Wind Chill, January 14, 2024
- Strong Wind, January 12, 2024
- Frost/Freeze, October 30, 2023
- Excessive Heat, August 20, 2023
- Excessive Heat, July 27, 2023
- Flash Flood, July 14, 2023
- Hail, July 1, 2023
- Heat, July 1, 2023
- Hail, June 30, 2023
- Excessive Heat, June 29, 2023
- Heat, June 25, 2023
- Thunderstorm Wind, April 5, 2023
- Strong Wind, April 1, 2023
- Strong Wind, March 31, 2023
- Flash Flood, March 24, 2023
- Flash Flood, March 3, 2023
- Strong Wind, February 27, 2023
- Strong Wind, February 22, 2023
- Strong Wind, February 14, 2023
- Strong Wind, February 9, 2023
- Flash Flood, February 8, 2023
- Winter Storm, January 30, 2023
- Winter Weather, January 29, 2023
- Heavy Snow, January 24, 2023
- Flood, January 18, 2023
- Winter Weather, December 26, 2022
- Winter Storm, December 22, 2022
- Dense Fog, December 9, 2022
- Drought, December 1, 2022
- Dense Fog, November 25, 2022
- Winter Weather, November 12, 2022
- Strong Wind, November 5, 2022
- Dense Fog, November 1, 2022
- Drought, November 1, 2022
- Frost/Freeze, October 17, 2022
- Drought, October 1, 2022
- Flash Flood, August 29, 2022
- Heat, August 3, 2022
- Flash Flood, July 27, 2022
- Excessive Heat, July 22, 2022
- Excessive Heat, July 20, 2022
- Thunderstorm Wind, July 8, 2022
- Excessive Heat, July 4, 2022
- Hail, June 17, 2022
- Excessive Heat, June 12, 2022
- Strong Wind, March 30, 2022
- Winter Weather, March 11, 2022
- Winter Storm, February 23, 2022
- Winter Storm, February 2, 2022
- Winter Weather, January 6, 2022
- Frost/Freeze, November 4, 2021
- Dense Fog, October 8, 2021
- Heat, August 24, 2021
- Dense Fog, August 22, 2021
- Heat, August 9, 2021
- Heat, July 29, 2021
- Flash Flood, July 16, 2021
- Frost/Freeze, April 19, 2021
- Frost/Freeze, April 1, 2021
- Strong Wind, March 25, 2021
- Dense Fog, March 16, 2021
- Winter Weather, February 17, 2021
- Cold/Wind Chill, February 16, 2021
- Winter Storm, February 14, 2021
- Cold/Wind Chill, February 14, 2021
- Winter Storm, February 10, 2021
- Winter Weather, February 8, 2021
- Winter Weather, January 27, 2021
- Winter Weather, January 1, 2021
- Strong Wind, November 14, 2020
- Frost/Freeze, November 1, 2020
- Frost/Freeze, October 5, 2020
- Dense Fog, August 22, 2020
- Thunderstorm Wind, August 10, 2020
- Heat, August 10, 2020
- Heat, July 17, 2020
- Dense Fog, July 2, 2020
- Flash Flood, June 30, 2020
- Flash Flood, June 30, 2020
- Frost/Freeze, May 9, 2020
- Dense Fog, April 24, 2020
- Frost/Freeze, April 15, 2020
- Strong Wind, April 13, 2020
- Dense Fog, March 25, 2020
- Tornado, March 19, 2020
- Dense Fog, March 18, 2020
- Dense Fog, March 12, 2020
- Dense Fog, December 13, 2019
- Strong Wind, November 26, 2019
- Winter Weather, November 11, 2019
- Frost/Freeze, October 12, 2019
- Excessive Heat, August 12, 2019
- Hail, August 6, 2019
- Excessive Heat, July 18, 2019
- Thunderstorm Wind, July 17, 2019
- Heat, July 10, 2019
- Flash Flood, June 21, 2019
- Frost/Freeze, April 15, 2019
- Strong Wind, April 11, 2019
- Frost/Freeze, April 1, 2019
- Hail, March 13, 2019
- Strong Wind, March 9, 2019
- Winter Weather, March 3, 2019
- Strong Wind, February 24, 2019
- Winter Storm, February 15, 2019
- Dense Fog, February 6, 2019
- Dense Fog, February 2, 2019
- Cold/Wind Chill, January 30, 2019
- Heavy Snow, January 19, 2019
- Heavy Snow, January 11, 2019
- Strong Wind, December 27, 2018
- Dense Fog, November 29, 2018
- Strong Wind, November 25, 2018
- Winter Storm, November 14, 2018
- Frost/Freeze, October 21, 2018
- Flash Flood, September 25, 2018
- Flash Flood, September 8, 2018
- Dense Fog, July 27, 2018
- Excessive Heat, July 10, 2018
- Excessive Heat, July 1, 2018
- Heat, June 29, 2018
- Tornado, June 26, 2018
- Heat, June 16, 2018
- Tornado, May 31, 2018
- Frost/Freeze, April 8, 2018
- Frost/Freeze, April 7, 2018
- Winter Weather, April 7, 2018
- Flash Flood, February 24, 2018
- Dense Fog, February 17, 2018
- Strong Wind, February 15, 2018
- Winter Weather, February 6, 2018
- Strong Wind, January 22, 2018
- Cold/Wind Chill, January 16, 2018
- Heavy Snow, January 15, 2018
- Winter Storm, January 11, 2018
- Dense Fog, January 9, 2018
- Cold/Wind Chill, January 1, 2018
- Strong Wind, November 18, 2017
- Heat, August 21, 2017
- Heat, July 26, 2017
- Excessive Heat, July 19, 2017
- Hail, May 27, 2017
- Strong Wind, May 17, 2017
- Strong Wind, May 5, 2017
- Flash Flood, April 29, 2017
- Dense Fog, April 19, 2017
- Tornado, April 5, 2017
- Dense Fog, March 18, 2017
- Frost/Freeze, March 15, 2017
- Strong Wind, March 6, 2017
- Dense Fog, January 15, 2017
- Ice Storm, January 13, 2017
- Strong Wind, January 10, 2017
- Winter Weather, January 5, 2017
- Dense Fog, January 2, 2017
- Dense Fog, December 25, 2016
- Dense Fog, December 25, 2016
- Winter Weather, December 17, 2016
- Frost/Freeze, November 13, 2016
- Dense Fog, October 3, 2016
- Dense Fog, September 19, 2016
- Flood, September 16, 2016
- Flash Flood, August 13, 2016
- Heat, August 4, 2016
- Dense Fog, July 23, 2016
- Heat, July 18, 2016
- Thunderstorm Wind, July 13, 2016
- Dense Fog, July 7, 2016
- Thunderstorm Wind, June 25, 2016
- Heat, June 23, 2016
- Heat, June 16, 2016
- Dense Fog, May 11, 2016
- Tornado, May 11, 2016
- Thunderstorm Wind, May 7, 2016
- Hail, April 26, 2016
- Dense Fog, April 24, 2016
- Thunderstorm Wind, April 6, 2016
- Strong Wind, February 28, 2016
- Winter Storm, February 24, 2016
- Dense Fog, February 20, 2016
- High Wind, February 19, 2016
- Dense Fog, February 16, 2016
- Dense Fog, February 15, 2016
- Winter Weather, February 14, 2016
- Winter Weather, January 19, 2016
- Winter Weather, January 9, 2016
- Flash Flood, December 27, 2015
- Dense Fog, December 22, 2015
- Strong Wind, December 13, 2015
- Dense Fog, December 4, 2015
- Dense Fog, November 3, 2015
- Dense Fog, November 2, 2015
- Dense Fog, November 2, 2015
- Frost/Freeze, October 18, 2015
Earlier years, state by state:
More
Tornadoes in Hamilton CountyEvery warning in Hamilton County since 1986Every county in Illinois
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.