Storm History: Stephenson County, Illinois

Events

756

Deaths

2

Injuries

4

Damage

$43 million

Episodes

472

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.

Open the live radar over Stephenson County

• Tornado, July 27, 20112 deaths · $500,000 · EF0 · 12 events here

• Drought, July 1, 2005$18 million · 1 event here
• Flood, July 21, 2017$7.5 million · 1 event here
• Drought, August 1, 2005$3.3 million · 1 event here
• Thunderstorm Wind, July 5, 20031 injured · $2.8 million · 61 kt wind · 5 events here
• Tornado, October 8, 1958$2.5 million · F2 · 1 event here
• Hail, May 9, 2003$2.0 million · 1 in hail · 1 event here
• Thunderstorm Wind, April 19, 1996$1.2 million · 90 kt wind · 1 event here
• Flash Flood, May 4, 2003$1.0 million · 1 event here
• Flash Flood, July 22, 2010$1.0 million · 1 event here
• Flood, July 24, 2010$500,000 · 1 event here
• Flash Flood, July 24, 2010$500,000 · 1 event here
• Tornado, July 27, 20112 deaths · $500,000 · EF0 · 12 events here
• Thunderstorm Wind, August 4, 2008$262,000 · 65 kt wind · 9 events here
• Tornado, June 1, 1971$250,000 · F1 · 1 event here
• Tornado, June 1, 2009$215,000 · EF0 · 3 events here
• Hail, August 1, 2003$195,000 · 1.5 in hail · 7 events here
• High Wind, April 6, 1997$100,000 · 54 kt wind · 1 event here
• Hail, April 5, 2010$100,000 · 1.25 in hail · 1 event here
• Tornado, August 24, 1998$80,000 · F1 · 4 events here
• Tornado, May 16, 19991 injured · $63,000 · F0 · 3 events here

• Hail, August 16, 20253 in hail · 2 events here
• Hail, April 7, 20203 in hail · 3 events here
• Hail, March 10, 20262.75 in hail · 9 events here
• Hail, April 10, 19812.75 in hail · 1 event here
• Hail, August 16, 19682.5 in hail · 1 event here
• Hail, May 2, 20182 in hail · 2 events here
• Hail, July 26, 19872 in hail · 1 event here
• Hail, May 22, 2011$25,000 · 1.75 in hail · 4 events here
• Hail, May 25, 20081.75 in hail · 1 event here
• Hail, June 20, 20081.75 in hail · 3 events here
• Hail, April 13, 20061.75 in hail · 1 event here
• Hail, October 23, 20011.75 in hail · 3 events here
• Flood, May 11, 20001.75 in hail · 2 events here
• Hail, April 19, 19961.75 in hail · 1 event here
• Hail, April 19, 19961.75 in hail · 1 event here

• Tornado, September 28, 1972F4 · 1 event here
• Tornado, June 14, 1974F3 · 3 events here
• Tornado, March 27, 1991F3 · 1 event here
• Tornado, October 8, 1958$2.5 million · F2 · 1 event here
• Tornado, June 22, 1974F2 · 2 events here
• Tornado, November 29, 1975F2 · 2 events here
• Tornado, July 16, 1980F2 · 1 event here
• Tornado, August 16, 19871 injured · F2 · 1 event here
• Tornado, April 5, 1988F2 · 1 event here
• Tornado, May 8, 1988F2 · 1 event here
• Tornado, June 18, 1998$1,000 · F2 · 2 events here
• Tornado, March 15, 2016EF2 · 1 event here
• Tornado, May 17, 2017EF2 · 3 events here
• Tornado, March 31, 2023EF2 · 1 event here
• Tornado, July 15, 2024EF2 · 7 events here

Every tornado in Stephenson County, with its track

• Thunderstorm Wind, June 24, 202652 kt wind · 1 event here
• Tornado, June 11, 20261 in hail · 1 event here
• Thunderstorm Wind, June 10, 202668 kt wind · 2 events here
• Tornado, April 17, 2026EF2 · 9 events here
• Tornado, April 14, 2026EF1 · 2 events here
• Blizzard, March 15, 20261 event here
• Hail, March 10, 20262.75 in hail · 9 events here
• Winter Storm, November 28, 20251 event here
• Thunderstorm Wind, August 18, 202561 kt wind · 2 events here
• Hail, August 16, 20253 in hail · 2 events here
• Thunderstorm Wind, July 5, 202565 kt wind · 1 event here
• Winter Storm, February 12, 20251 event here
• Tornado, July 15, 2024EF2 · 7 events here
• Flash Flood, July 14, 202470 kt wind · 4 events here
• Flash Flood, June 21, 202452 kt wind · 1 event here
• Tornado, May 24, 2024EF1 · 1 event here
• Hail, May 21, 20241 in hail · 6 events here
• Hail, April 27, 20240.75 in hail · 1 event here
• Winter Weather, April 2, 20241 event here
• Tornado, March 4, 20241 in hail · 1 event here
• Tornado, February 8, 2024EF1 · 3 events here
• Winter Storm, January 11, 20241 event here
• Winter Storm, January 8, 20241 event here
• Tornado, July 28, 2023EF0 · 5 events here
• Thunderstorm Wind, July 26, 202361 kt wind · 1 event here
• Thunderstorm Wind, June 24, 202365 kt wind · 3 events here
• Tornado, April 4, 2023EF1 · 2 events here
• Tornado, March 31, 2023EF2 · 1 event here
• Winter Storm, March 24, 20231 event here
• Winter Storm, March 9, 20231 event here
• Ice Storm, February 22, 20231 event here
• Winter Storm, February 16, 20231 event here
• Blizzard, December 21, 20221 event here
• Thunderstorm Wind, November 5, 202266 kt wind · 1 event here
• Thunderstorm Wind, August 28, 202256 kt wind · 1 event here
• Flash Flood, August 7, 20226 events here
• Thunderstorm Wind, August 3, 202256 kt wind · 1 event here
• Hail, July 23, 20221 in hail · 1 event here
• Funnel Cloud, July 17, 20221 event here
• Flash Flood, July 5, 202260 kt wind · 1 event here
• Flash Flood, July 4, 202264 kt wind · 2 events here
• Tornado, May 25, 2022EF1 · 1 event here
• Tornado, May 13, 20221.25 in hail · 1 event here
• Tornado, March 5, 2022EF1 · 1 event here
• Winter Storm, January 1, 20221 event here
• Winter Weather, December 28, 20211 event here
• Thunderstorm Wind, December 15, 202161 kt wind · 1 event here
• Thunderstorm Wind, August 10, 202165 kt wind · 1 event here
• Thunderstorm Wind, July 14, 202161 kt wind · 2 events here
• Winter Storm, March 15, 20211 event here
• Winter Storm, February 4, 20211 event here
• Winter Storm, January 30, 20211 event here
• Winter Storm, January 25, 20211 event here
• Winter Storm, January 1, 20211 event here
• Winter Storm, December 29, 20201 event here
• Tornado, November 10, 2020EF1 · 1 event here
• Tornado, August 10, 2020EF0 · 3 events here
• Thunderstorm Wind, July 18, 202065 kt wind · 1 event here
• Tornado, July 8, 202061 kt wind · 1 event here
• Thunderstorm Wind, May 26, 202078 kt wind · 3 events here
• Hail, April 7, 20203 in hail · 3 events here
• Winter Storm, January 10, 20201 event here
• Winter Weather, November 10, 20191 event here
• Winter Weather, October 30, 20191 event here
• Flash Flood, September 12, 201950 kt wind · 1 event here
• Flash Flood, September 10, 201961 kt wind · 2 events here
• Thunderstorm Wind, September 3, 201956 kt wind · 1 event here
• Thunderstorm Wind, June 30, 201970 kt wind · 1 event here
• Tornado, May 24, 2019EF1 · 2 events here
• Hail, May 16, 201965 kt wind · 1 event here
• Heavy Snow, April 27, 20191 event here
• Flood, March 14, 20191 event here
• Ice Storm, February 11, 20191 event here
• Ice Storm, February 7, 20191 event here
• Winter Storm, February 5, 20191 event here
• Extreme Cold/Wind Chill, January 29, 20191 event here
• Winter Storm, January 22, 20191 event here
• Winter Storm, January 18, 20191 event here
• Blizzard, November 25, 20181 event here
• Flash Flood, October 6, 20181 event here
• Funnel Cloud, August 7, 20181 event here
• Thunderstorm Wind, August 5, 2018$10,000 · 60 kt wind · 3 events here
• Flash Flood, July 13, 201860 kt wind · 2 events here
• Flash Flood, June 18, 20181 event here
• Hail, May 3, 20181 in hail · 2 events here
• Hail, May 2, 20182 in hail · 2 events here
• Winter Weather, April 18, 20181 event here
• Winter Weather, April 3, 20181 event here
• Flood, February 19, 20181 event here
• Heavy Snow, February 7, 20181 event here
• Winter Storm, December 29, 20171 event here
• Winter Weather, December 11, 20171 event here
• Tornado, August 16, 2017EF1 · 2 events here
• Flood, July 21, 2017$7.5 million · 1 event here
• Tornado, July 21, 2017$250 · EF1 · 7 events here
• Thunderstorm Wind, July 19, 201761 kt wind · 3 events here
• Flash Flood, June 28, 20171 in hail · 3 events here
• Tornado, May 17, 2017EF2 · 3 events here
• Winter Storm, December 10, 20161 event here
• Thunderstorm Wind, August 4, 201655 kt wind · 1 event here
• Thunderstorm Wind, July 21, 201661 kt wind · 2 events here
• Thunderstorm Wind, July 5, 201661 kt wind · 1 event here
• Flash Flood, June 14, 201665 kt wind · 1 event here
• Hail, June 9, 20161 in hail · 1 event here
• Tornado, March 15, 2016EF2 · 1 event here
• High Wind, February 19, 201654 kt wind · 1 event here
• Ice Storm, December 28, 20151 event here
• Winter Storm, November 20, 20151 event here
• Flash Flood, September 17, 201552 kt wind · 1 event here
• Flash Flood, June 20, 201561 kt wind · 2 events here
• Flash Flood, June 11, 20151 event here
• Tornado, April 9, 2015EF1 · 3 events here
• Winter Storm, February 1, 20151 event here
• Winter Weather, January 8, 20151 event here
• Winter Storm, January 5, 20151 event here
• Dense Fog, December 14, 20141 event here
• Winter Weather, November 15, 20141 event here
• Tornado, July 12, 2014EF1 · 1 event here
• Flash Flood, June 29, 20142 events here
• Thunderstorm Wind, June 29, 201463 kt wind · 2 events here
• Hail, June 16, 20141.5 in hail · 3 events here
• Hail, May 12, 20141 in hail · 1 event here
• Hail, April 12, 20141 in hail · 12 events here
• Winter Weather, March 5, 20141 event here
• Winter Weather, March 1, 20141 event here
• Winter Storm, February 17, 20141 event here
• Extreme Cold/Wind Chill, January 22, 20142 events here
• Winter Weather, January 18, 20141 event here
• Freezing Fog, January 10, 20141 event here
• Extreme Cold/Wind Chill, January 5, 20141 event here
• Winter Storm, December 21, 20131 event here
• Ice Storm, December 19, 20131 event here
• Hail, August 30, 20131.25 in hail · 6 events here
• Heat, August 26, 20131 event here
• Hail, July 22, 20130.88 in hail · 1 event here
• Tornado, May 30, 2013EF0 · 3 events here
• Tornado, May 19, 2013EF0 · 1 event here
• Hail, April 29, 20131 in hail · 1 event here
• Winter Storm, March 4, 20131 event here
• Winter Storm, February 26, 20131 event here
• Winter Storm, February 21, 20131 event here
• Winter Storm, January 30, 20131 event here
• Winter Weather, January 27, 20131 event here
• Blizzard, December 19, 20121 event here
• Dense Fog, November 21, 20121 event here
• Dense Fog, November 20, 20121 event here
• Drought, November 1, 20121 event here
• Drought, August 7, 20121 event here
• Thunderstorm Wind, August 4, 201270 kt wind · 3 events here
• Thunderstorm Wind, July 24, 201252 kt wind · 5 events here
• Thunderstorm Wind, July 18, 201252 kt wind · 1 event here
• Drought, July 10, 20121 event here
• Excessive Heat, July 4, 20121 event here
• Hail, May 26, 20120.88 in hail · 3 events here
• Frost/Freeze, April 12, 20121 event here
• Frost/Freeze, April 10, 20121 event here
• Frost/Freeze, April 10, 20121 event here
• Winter Weather, March 2, 20121 event here
• Winter Weather, February 23, 20121 event here
• Heavy Snow, January 20, 20121 event here
• Winter Storm, January 12, 20121 event here
• Winter Weather, December 16, 20111 event here
• Strong Wind, September 29, 2011$1,000 · 1 event here
• Flash Flood, August 12, 201153 kt wind · 8 events here
• Hail, August 8, 20111 in hail · 6 events here
• Tornado, July 27, 20112 deaths · $500,000 · EF0 · 12 events here
• Thunderstorm Wind, July 24, 201152 kt wind · 1 event here
• Thunderstorm Wind, July 11, 201161 kt wind · 1 event here
• Hail, June 8, 2011$5,000 · 1 in hail · 5 events here
• Hail, May 22, 2011$25,000 · 1.75 in hail · 4 events here
• Hail, March 20, 20111 in hail · 3 events here
• Hail, February 27, 20110.88 in hail · 1 event here
• Winter Weather, February 20, 20111 event here
• Blizzard, February 1, 20111 event here
• Winter Weather, January 17, 20111 event here
• Winter Storm, December 23, 20101 event here
• Winter Weather, December 20, 20101 event here
• Winter Weather, December 15, 20101 event here
• Blizzard, December 11, 20101 event here
• Winter Storm, December 3, 20101 event here
• Thunderstorm Wind, August 20, 2010$50,000 · 70 kt wind · 2 events here
• Flash Flood, July 24, 2010$500,000 · 1 event here
• Flood, July 24, 2010$500,000 · 1 event here
• Flash Flood, July 22, 2010$1.0 million · 1 event here
• Thunderstorm Wind, July 22, 201056 kt wind · 2 events here
• Tornado, July 12, 2010EF0 · 5 events here
• Tornado, June 21, 2010EF0 · 1 event here
• Flash Flood, June 18, 2010$20,000 · 1 in hail · 3 events here
• Flash Flood, May 26, 20101 event here
• Flash Flood, May 12, 20100.88 in hail · 1 event here
• Hail, April 5, 2010$100,000 · 1.25 in hail · 1 event here
• Winter Weather, March 19, 20101 event here
• Winter Storm, February 21, 20101 event here
• Winter Weather, February 7, 20101 event here
• Dense Fog, January 17, 20101 event here
• Winter Storm, January 6, 20101 event here
• Winter Weather, December 25, 20091 event here
• Ice Storm, December 23, 20091 event here
• Winter Weather, December 21, 20091 event here
• Winter Storm, December 7, 20091 event here
• Flash Flood, July 27, 2009$5,000 · 61 kt wind · 3 events here
• Tornado, July 24, 2009$55,000 · EF1 · 5 events here
• Hail, June 25, 20091.5 in hail · 6 events here
• Hail, June 19, 2009$25,000 · 65 kt wind · 3 events here
• Tornado, June 1, 2009$215,000 · EF0 · 3 events here
• Flash Flood, May 13, 20090.88 in hail · 1 event here
• Winter Storm, February 20, 20091 event here
• Winter Weather, February 13, 20091 event here
• Extreme Cold/Wind Chill, January 14, 20091 event here
• Heavy Snow, January 9, 20091 event here
• Dense Fog, December 26, 20081 event here
• Winter Weather, December 24, 20081 event here
• Blizzard, December 21, 20081 event here
• Ice Storm, December 18, 20081 event here
• Winter Weather, December 16, 20081 event here
• Winter Weather, December 8, 20081 event here
• Winter Weather, December 3, 20081 event here
• Winter Weather, November 29, 20081 event here
• High Wind, October 26, 200852 kt wind · 3 events here
• Thunderstorm Wind, August 4, 2008$262,000 · 65 kt wind · 9 events here
• Thunderstorm Wind, August 4, 2008$5,000 · 56 kt wind · 1 event here
• Hail, July 31, 20081 injured · $25,000 · 61 kt wind · 3 events here
• Thunderstorm Wind, July 7, 2008$50,000 · 56 kt wind · 1 event here
• Hail, July 2, 200852 kt wind · 1 event here
• Hail, June 28, 2008$17,000 · 61 kt wind · 5 events here
• Hail, June 20, 20081.75 in hail · 3 events here
• Tornado, June 12, 2008$30,000 · EF0 · 9 events here
• Hail, June 8, 2008$60,000 · 1 in hail · 5 events here
• Flash Flood, June 8, 200861 kt wind · 2 events here
• Hail, May 25, 20081.75 in hail · 1 event here
• Frost/Freeze, April 29, 20081 event here
• Flash Flood, April 24, 20080.88 in hail · 1 event here
• Flood, April 1, 20081 event here
• Winter Weather, February 28, 20081 event here
• Winter Storm, February 25, 20081 event here
• Winter Weather, February 11, 20081 event here
• Extreme Cold/Wind Chill, February 10, 20081 event here
• Winter Storm, February 5, 20081 event here
• Dense Fog, February 4, 20081 event here
• Winter Storm, February 3, 20081 event here
• Winter Weather, January 31, 20081 event here
• Winter Weather, January 29, 20081 event here
• Extreme Cold/Wind Chill, January 29, 20081 event here
• Extreme Cold/Wind Chill, January 24, 20081 event here
• Winter Weather, January 20, 20081 event here
• Dense Fog, January 5, 20081 event here
• Heavy Snow, December 31, 20071 event here
• Heavy Snow, December 28, 20071 event here
• Winter Storm, December 22, 20071 event here
• Dense Fog, December 20, 20071 event here

Earlier years, state by state:

• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1992
• 1991
• 1990
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1982
• 1981
• 1980
• 1978
• 1975
• 1974
• 1973
• 1972
• 1971
• 1968
• 1967
• 1959
• 1958
• 1956

Tornadoes in Stephenson CountyEvery warning in Stephenson County since 1986Every county in Illinois

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.