Storm History: Delaware County, Iowa

Events

697

Deaths

1

Injuries

22

Damage

$115 million

Episodes

465

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 Delaware County

• Winter Weather, November 9, 20111 death · 1 event here

• Flood, July 23, 2010$26 million · 1 event here
• Tornado, March 13, 1990$25 million · F4 · 1 event here
• Flash Flood, July 24, 2010$25 million · 1 event here
• Drought, August 1, 2003$15 million · 1 event here
• Flood, June 1, 2008$4.2 million · 1 event here
• Hail, May 17, 2000$4.0 million · 1.75 in hail · 4 events here
• Drought, July 1, 2005$2.7 million · 1 event here
• Tornado, July 12, 19712 injured · $2.5 million · F4 · 2 events here
• Tornado, August 12, 197412 injured · $2.5 million · F4 · 1 event here
• Thunderstorm Wind, May 10, 2003$2.0 million · 80 kt wind · 1 event here
• Hail, June 19, 2009$625,000 · 1 in hail · 6 events here
• Tornado, April 14, 1994$610,000 · F3 · 5 events here
• Flash Flood, October 7, 2007$500,000 · 1 event here
• Tornado, April 26, 2009$500,000 · EF1 · 3 events here
• Flash Flood, July 24, 2009$476,000 · 2.5 in hail · 16 events here
• Frost/Freeze, May 3, 2005$330,000 · 1 event here
• Tornado, May 25, 2008$300,000 · EF3 · 9 events here
• Tornado, March 22, 19911 injured · $253,000 · F3 · 2 events here
• Tornado, November 15, 1960$250,000 · F2 · 1 event here
• Tornado, May 4, 19642 injured · $250,000 · F2 · 2 events here

• Hail, April 3, 20113.5 in hail · 2 events here
• Hail, July 15, 19613 in hail · 1 event here
• Hail, June 15, 20222.75 in hail · 1 event here
• Hail, June 22, 20152.75 in hail · 2 events here
• Hail, May 19, 20132.75 in hail · 4 events here
• Hail, April 13, 2006$8,000 · 2.75 in hail · 4 events here
• Hail, May 10, 20032.75 in hail · 1 event here
• Hail, April 29, 20132.5 in hail · 4 events here
• Flash Flood, July 24, 2009$476,000 · 2.5 in hail · 16 events here
• Hail, October 10, 19722.5 in hail · 2 events here
• Hail, July 3, 19642.5 in hail · 1 event here
• Hail, June 20, 19972 in hail · 2 events here
• Hail, May 21, 20241.75 in hail · 1 event here
• Hail, April 4, 20231.75 in hail · 1 event here
• Hail, April 19, 20231.75 in hail · 1 event here

• Tornado, April 30, 1967F4 · 1 event here
• Tornado, July 12, 19712 injured · $2.5 million · F4 · 2 events here
• Tornado, August 12, 197412 injured · $2.5 million · F4 · 1 event here
• Tornado, June 2, 1980F4 · 2 events here
• Tornado, May 24, 1989F4 · 2 events here
• Tornado, March 13, 1990$25 million · F4 · 1 event here
• Tornado, March 31, 2023EF4 · 2 events here
• Tornado, May 7, 1964F3 · 1 event here
• Tornado, June 24, 1971F3 · 1 event here
• Tornado, September 21, 1973F3 · 3 events here
• Tornado, June 20, 1974F3 · 2 events here
• Tornado, August 28, 1979F3 · 1 event here
• Tornado, May 8, 1988$50,000 · F3 · 2 events here
• Tornado, March 22, 19911 injured · $253,000 · F3 · 2 events here
• Tornado, April 14, 1994$610,000 · F3 · 5 events here

Every tornado in Delaware County, with its track

• Thunderstorm Wind, June 10, 202670 kt wind · 2 events here
• Hail, May 17, 20261.25 in hail · 1 event here
• Tornado, April 17, 2026EF1 · 2 events here
• Tornado, April 14, 2026EF1 · 9 events here
• Blizzard, March 15, 20261 event here
• Winter Storm, November 28, 20251 event here
• Thunderstorm Wind, July 29, 202572 kt wind · 3 events here
• Tornado, July 11, 2025EF2 · 2 events here
• Flash Flood, July 3, 20251 in hail · 2 events here
• Thunderstorm Wind, June 11, 202565 kt wind · 3 events here
• Tornado, March 14, 2025EF0 · 1 event here
• Winter Storm, February 11, 20251 event here
• Ice Storm, December 14, 20241 event here
• Tornado, July 15, 2024EF1 · 2 events here
• Hail, May 21, 20241.75 in hail · 1 event here
• Tornado, April 16, 2024EF2 · 1 event here
• Winter Weather, April 2, 20241 event here
• Winter Storm, January 11, 20241 event here
• Blizzard, January 8, 20241 event here
• Tornado, July 28, 2023EF0 · 3 events here
• Hail, April 19, 20231.75 in hail · 1 event here
• Hail, April 4, 20231.75 in hail · 1 event here
• Tornado, March 31, 2023EF4 · 2 events here
• Ice Storm, February 22, 20231 event here
• Blizzard, December 21, 20222 events here
• Thunderstorm Wind, August 3, 202256 kt wind · 3 events here
• Thunderstorm Wind, July 23, 2022$5,000 · 61 kt wind · 5 events here
• Tornado, July 5, 202261 kt wind · 1 event here
• Hail, June 15, 20222.75 in hail · 1 event here
• Winter Weather, December 28, 20211 event here
• Thunderstorm Wind, December 15, 202170 kt wind · 2 events here
• Hail, August 24, 20211.75 in hail · 5 events here
• Thunderstorm Wind, August 10, 202161 kt wind · 1 event here
• Tornado, July 14, 2021EF1 · 3 events here
• Tornado, June 20, 2021EF1 · 1 event here
• Winter Storm, March 15, 20211 event here
• Blizzard, February 4, 20211 event here
• Winter Storm, January 30, 20211 event here
• Winter Storm, January 25, 20211 event here
• Winter Storm, December 29, 20201 event here
• Hail, September 5, 202061 kt wind · 1 event here
• Hail, August 28, 20201 in hail · 3 events here
• Flash Flood, July 9, 202061 kt wind · 2 events here
• Thunderstorm Wind, June 5, 202065 kt wind · 1 event here
• Winter Storm, January 17, 20201 event here
• Winter Weather, November 10, 20191 event here
• Winter Weather, October 30, 20191 event here
• Flash Flood, September 12, 201956 kt wind · 1 event here
• Thunderstorm Wind, September 9, 201970 kt wind · 1 event here
• Funnel Cloud, July 16, 20191 event here
• Thunderstorm Wind, June 30, 201987 kt wind · 4 events here
• Tornado, June 9, 20191 event here
• Tornado, May 24, 2019EF1 · 1 event here
• Blizzard, February 24, 201956 kt wind · 1 event here
• Winter Storm, February 11, 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
• Flash Flood, October 1, 20181 event here
• Flash Flood, September 1, 201861 kt wind · 1 event here
• Tornado, June 9, 2018EF1 · 2 events here
• Hail, May 25, 20181 in hail · 1 event here
• Winter Weather, April 18, 20181 event here
• Winter Weather, April 8, 20181 event here
• Winter Weather, April 1, 20181 event here
• Heavy Snow, March 23, 20181 event here
• Heavy Snow, February 7, 20181 event here
• Winter Storm, December 29, 20171 event here
• Tornado, July 21, 2017$1,000 · EF0 · 2 events here
• Thunderstorm Wind, July 19, 201761 kt wind · 2 events here
• Hail, July 5, 20171 in hail · 1 event here
• Tornado, June 28, 2017EF2 · 3 events here
• Tornado, May 17, 2017$10,000 · EF1 · 5 events here
• Tornado, March 6, 2017EF2 · 3 events here
• Flood, September 23, 2016$150,000 · 1 event here
• Flash Flood, August 4, 201670 kt wind · 2 events here
• Tornado, July 23, 2016$5,000 · EF1 · 5 events here
• Tornado, July 17, 2016EF2 · 1 event here
• Thunderstorm Wind, July 6, 201661 kt wind · 1 event here
• Tornado, June 14, 2016EF0 · 1 event here
• Hail, May 26, 20161.75 in hail · 2 events here
• High Wind, February 19, 201655 kt wind · 2 events here
• Blizzard, December 28, 20151 event here
• Winter Storm, November 20, 20151 event here
• Tornado, November 11, 2015EF1 · 3 events here
• Hail, June 29, 20151.25 in hail · 1 event here
• Hail, June 22, 20152.75 in hail · 2 events here
• Tornado, June 20, 2015EF1 · 1 event 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
• Hail, June 29, 20141 in hail · 1 event here
• Tornado, June 19, 2014$50,000 · EF1 · 1 event here
• Thunderstorm Wind, June 19, 201452 kt wind · 2 events here
• Flash Flood, June 19, 20141 event here
• Tornado, June 16, 2014$100,000 · EF1 · 1 event here
• Flash Flood, June 16, 20141.75 in hail · 5 events here
• Winter Weather, March 1, 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
• Winter Weather, December 10, 20131 event here
• Winter Weather, December 8, 20131 event here
• Hail, September 19, 2013$25,000 · 1 in hail · 1 event here
• Thunderstorm Wind, August 30, 201361 kt wind · 1 event here
• Heat, August 26, 20131 event here
• Flash Flood, July 8, 2013$50,000 · 1 event here
• Flash Flood, June 26, 201352 kt wind · 1 event here
• Hail, June 21, 20131.75 in hail · 3 events here
• Flash Flood, May 29, 20131 in hail · 6 events here
• Hail, May 19, 20132.75 in hail · 4 events here
• Hail, April 30, 20130.88 in hail · 1 event here
• Hail, April 29, 20132.5 in hail · 4 events 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 29, 20131 event here
• Hail, January 28, 20131 in hail · 1 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 19, 20121 event here
• Drought, November 1, 20121 event here
• Drought, August 7, 20121 event here
• Flash Flood, August 4, 201264 kt wind · 1 event here
• Hail, July 25, 201262 kt wind · 4 events here
• Drought, July 10, 20121 event here
• Excessive Heat, July 4, 20121 event here
• Frost/Freeze, April 11, 20121 event here
• Frost/Freeze, April 10, 20121 event here
• Frost/Freeze, April 10, 20121 event here
• Winter Weather, February 23, 20121 event here
• Heavy Snow, January 20, 20121 event here
• Winter Storm, January 11, 20121 event here
• Winter Weather, November 9, 20111 death · 1 event here
• Flash Flood, July 27, 20111.25 in hail · 1 event here
• Thunderstorm Wind, July 11, 2011104 kt wind · 1 event here
• Hail, April 3, 20113.5 in hail · 2 events 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
• Winter Weather, November 24, 20101 event here
• Flash Flood, August 13, 2010$5,000 · 61 kt wind · 2 events here
• Flash Flood, July 24, 2010$25 million · 1 event here
• Flood, July 23, 2010$26 million · 1 event here
• Flood, July 23, 2010$100,000 · 1 in hail · 1 event here
• Flood, July 22, 201070 kt wind · 1 event here
• Thunderstorm Wind, June 17, 2010$1,000 · 56 kt wind · 1 event here
• Flash Flood, May 12, 20101.5 in hail · 3 events here
• Hail, April 6, 20101.75 in hail · 3 events here
• Hail, April 5, 2010$35,000 · 1.25 in hail · 3 events here
• Winter Weather, March 19, 20101 event here
• Winter Weather, February 7, 20101 event here
• Winter Weather, January 25, 20101 event here
• Dense Fog, January 16, 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
• Blizzard, December 9, 20091 event here
• Winter Storm, December 7, 20091 event here
• Hail, August 9, 20091.75 in hail · 6 events here
• Flash Flood, July 24, 2009$476,000 · 2.5 in hail · 16 events here
• Hail, June 19, 2009$625,000 · 1 in hail · 6 events here
• Tornado, April 26, 2009$500,000 · EF1 · 3 events here
• Hail, February 26, 20091 in hail · 2 events 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 20, 20081 event here
• Ice Storm, December 18, 20081 event here
• Winter Weather, December 16, 20081 event here
• Ice Storm, December 8, 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, 200853 kt wind · 1 event here
• Tornado, August 4, 2008EF0 · 1 event here
• Hail, August 3, 20081.75 in hail · 2 events here
• Hail, July 21, 2008$15,000 · 70 kt wind · 1 event here
• Thunderstorm Wind, July 19, 200861 kt wind · 2 events here
• Tornado, July 10, 2008EF0 · 15 events here
• Hail, June 20, 20081 in hail · 1 event here
• Hail, June 14, 20081.75 in hail · 1 event here
• Flash Flood, June 8, 2008$30,000 · 70 kt wind · 6 events here
• Flood, June 1, 2008$4.2 million · 1 event here
• Flood, May 30, 20081 event here
• Flood, May 26, 20081 event here
• Tornado, May 25, 2008$300,000 · EF3 · 9 events here
• Frost/Freeze, April 29, 20081 event here
• Tornado, April 24, 2008EF2 · 7 events here
• Flood, April 1, 20081 event here
• Hail, March 27, 20080.75 in hail · 1 event here
• Winter Weather, March 2, 20081 event here
• Winter Weather, February 28, 20081 event here
• Winter Weather, February 25, 20081 event here
• Winter Storm, February 16, 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
• Extreme Cold/Wind Chill, January 29, 20081 event here
• Blizzard, January 29, 20081 event here
• Extreme Cold/Wind Chill, January 24, 20081 event here
• Winter Weather, January 20, 20081 event here
• Winter Weather, January 16, 20081 event here
• Dense Fog, January 5, 20081 event here
• Heavy Snow, December 28, 20071 event here
• Winter Storm, December 22, 20071 event here
• Dense Fog, December 20, 20071 event here
• Ice Storm, December 10, 20071 event here
• Winter Weather, December 6, 20071 event here
• Winter Weather, December 4, 20071 event here
• Ice Storm, December 1, 20071 event here
• Winter Weather, November 21, 20071 event here
• Flash Flood, October 7, 2007$500,000 · 1 event here
• Thunderstorm Wind, September 18, 200769 kt wind · 4 events here
• Hail, August 27, 20071 in hail · 2 events here
• Thunderstorm Wind, August 14, 2007$5,000 · 61 kt wind · 1 event here
• Hail, July 17, 20071 in hail · 1 event here
• Tornado, July 16, 2007$5,000 · EF1 · 1 event here
• Heavy Snow, April 10, 20071 event here
• Frost/Freeze, April 3, 20071 event here
• Flash Flood, April 2, 20071 in hail · 2 events here
• Tornado, March 31, 2007$162,000 · EF1 · 3 events here
• Winter Storm, March 1, 20071 event here
• Ice Storm, February 24, 2007$26,000 · 1 event here
• Winter Weather, February 23, 20071 event here
• Winter Weather, February 16, 20071 event here
• Winter Storm, February 12, 20071 event here
• Winter Weather, February 11, 20071 event here
• Winter Weather, February 6, 20071 event here
• Extreme Cold/Wind Chill, February 2, 20071 event here
• Winter Weather, January 20, 20071 event here
• Ice Storm, January 12, 20071 event here
• Hail, July 19, 2006$22,000 · 61 kt wind · 3 events here
• Hail, July 17, 2006$3,000 · 1.75 in hail · 1 event here
• Hail, May 27, 20062 injured · 1 in hail · 1 event here
• Frost/Freeze, April 26, 20061 event here

Earlier years, state by state:

• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1981
• 1980
• 1979
• 1977
• 1976
• 1975
• 1974
• 1973
• 1972
• 1971
• 1970
• 1969
• 1968
• 1967
• 1966
• 1964
• 1962
• 1961
• 1960
• 1956
• 1955

Tornadoes in Delaware CountyEvery warning in Delaware County since 1986Every county in Iowa

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.