Storm History: Cass County, Iowa

Events

724

Deaths

1

Injuries

11

Damage

$165 million

Episodes

430

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 Cass County

• Winter Storm, February 1, 20151 death · $50,000 · 1 event here

• Drought, July 1, 2012$45 million · 1 event here
• Drought, August 1, 2013$21 million · 1 event here
• Flood, June 12, 2010$20 million · 1 event here
• Drought, August 1, 2003$13 million · 1 event here
• Drought, August 1, 2001$11 million · 1 event here
• Drought, August 1, 2012$6.0 million · 1 event here
• Drought, September 1, 2000$5.0 million · 1 event here
• Drought, August 14, 2000$4.7 million · 1 event here
• Drought, July 20, 1999$4.6 million · 1 event here
• Heavy Snow, October 26, 1997$3.2 million · 1 event here
• Flash Flood, June 14, 1998$3.2 million · 1 event here
• Tornado, May 6, 2007$2.9 million · EF2 · 10 events here
• Flood, June 14, 1998$2.7 million · 1 event here
• Tornado, June 7, 19848 injured · $2.5 million · F4 · 2 events here
• Frost/Freeze, October 10, 2009$2.5 million · 1 event here
• Frost/Freeze, April 11, 2012$1.5 million · 1 event here
• Thunderstorm Wind, June 21, 1997$1.1 million · 60 kt wind · 1 event here
• Ice Storm, January 20, 2010$750,000 · 1 event here
• Tornado, July 26, 2000$600,000 · F1 · 9 events here
• Flash Flood, May 24, 2007$575,000 · 3 events here

• Hail, June 18, 20214 in hail · 1 event here
• Hail, May 11, 19704 in hail · 1 event here
• Flash Flood, June 23, 2015$5,000 · 3.5 in hail · 1 event here
• Hail, July 9, 20213.25 in hail · 1 event here
• Flash Flood, September 18, 2010$105,000 · 3 in hail · 2 events here
• Hail, August 9, 2009$26,000 · 3 in hail · 4 events here
• Flash Flood, May 13, 2001$214,000 · 3 in hail · 10 events here
• Hail, August 5, 2000$238,000 · 3 in hail · 6 events here
• Hail, May 24, 20242.75 in hail · 1 event here
• Tornado, April 19, 20232.75 in hail · 1 event here
• Hail, June 15, 2017$210,000 · 2.75 in hail · 4 events here
• Hail, April 12, 20142.75 in hail · 2 events here
• Flash Flood, June 3, 2014$123,000 · 2.75 in hail · 8 events here
• Hail, May 17, 2004$10,000 · 2.75 in hail · 1 event here
• Hail, August 6, 2013$10,000 · 2.5 in hail · 1 event here

• Tornado, June 13, 1976$25,000 · F5 · 2 events here
• Tornado, May 25, 2008$11,000 · EF5 · 3 events here
• Tornado, April 12, 1964$25,000 · F4 · 1 event here
• Tornado, June 7, 19848 injured · $2.5 million · F4 · 2 events here
• Tornado, September 28, 1986F4 · 2 events here
• Tornado, April 8, 1999$186,000 · F4 · 1 event here
• Tornado, March 5, 2022EF4 · 1 event here
• Tornado, April 20, 19641 injured · $25,000 · F3 · 1 event here
• Tornado, July 15, 1988F3 · 2 events here
• Tornado, March 22, 1991F3 · 1 event here
• Tornado, July 13, 1992F3 · 1 event here
• Tornado, April 14, 1994$510,000 · F3 · 3 events here
• Tornado, April 11, 2001$1,000 · F3 · 1 event here
• Tornado, May 29, 1956$250 · F2 · 1 event here
• Tornado, April 18, 1963$25,000 · F2 · 1 event here

Every tornado in Cass County, with its track

• Flash Flood, July 20, 20251 event here
• Thunderstorm Wind, July 7, 2025$2,000 · 61 kt wind · 2 events here
• Thunderstorm Wind, June 23, 202556 kt wind · 1 event here
• Hail, June 16, 20251 in hail · 1 event here
• Hail, June 15, 20251.5 in hail · 1 event here
• Hail, April 28, 20251.75 in hail · 1 event here
• Tornado, April 17, 2025EF1 · 1 event here
• Blizzard, March 19, 20251.25 in hail · 1 event here
• Hail, March 14, 20251.5 in hail · 1 event here
• Blizzard, March 4, 202555 kt wind · 2 events here
• Extreme Cold/Wind Chill, January 20, 20251 event here
• Winter Weather, January 2, 20251 event here
• Drought, November 1, 20241 event here
• Drought, October 15, 20241 event here
• Flash Flood, July 31, 20241.25 in hail · 1 event here
• Tornado, June 28, 2024$3,000 · EF0 · 5 events here
• Thunderstorm Wind, June 18, 202459 kt wind · 1 event here
• Hail, May 24, 20242.75 in hail · 1 event here
• Flash Flood, May 20, 2024$50,000 · 2 in hail · 2 events here
• Thunderstorm Wind, May 7, 202453 kt wind · 1 event here
• Tornado, April 30, 2024EF1 · 1 event here
• Tornado, April 16, 2024$25,000 · EF1 · 1 event here
• Drought, March 1, 20241 event here
• Drought, February 1, 20241 event here
• Extreme Cold/Wind Chill, January 13, 20241 event here
• Blizzard, January 11, 20242 events here
• Winter Storm, January 8, 20241 event here
• Drought, January 1, 20241 event here
• Drought, December 1, 20231 event here
• Drought, November 1, 20231 event here
• Drought, October 1, 20231 event here
• Drought, September 12, 20231 event here
• Drought, August 1, 20231 event here
• Tornado, July 12, 2023$7,000 · EF0 · 2 events here
• Drought, July 1, 20231 event here
• Tornado, June 24, 2023$15,000 · EF0 · 2 events here
• Drought, June 20, 20231 event here
• Tornado, April 19, 20232.75 in hail · 1 event here
• Winter Storm, February 15, 20231 event here
• Blizzard, December 22, 20221 event here
• Hail, September 17, 20221.75 in hail · 1 event here
• Drought, August 16, 20221 event here
• Flood, June 14, 20221 in hail · 2 events here
• Hail, June 7, 20221.75 in hail · 1 event here
• Tornado, April 23, 2022EF1 · 2 events here
• Tornado, March 5, 2022EF4 · 1 event here
• Winter Storm, January 14, 20221 event here
• Tornado, December 15, 2021$325,000 · EF2 · 3 events here
• Hail, August 30, 20211 in hail · 6 events here
• Hail, July 30, 20211.75 in hail · 2 events here
• Hail, July 9, 20213.25 in hail · 1 event here
• Hail, June 18, 20214 in hail · 1 event here
• Drought, June 15, 20211 event here
• Hail, March 10, 20211 in hail · 1 event here
• Cold/Wind Chill, February 13, 20211 event here
• Drought, February 1, 20211 event here
• Heavy Snow, January 25, 20211 event here
• Blizzard, January 15, 20211 event here
• Drought, January 1, 20211 event here
• Winter Storm, December 29, 20201 event here
• Drought, December 1, 20201 event here
• Drought, November 1, 20201 event here
• Drought, October 1, 20201 event here
• Drought, September 1, 20201 event here
• Tornado, August 10, 2020EF1 · 1 event here
• Drought, August 1, 20201 event here
• Drought, July 14, 20201 event here
• Thunderstorm Wind, June 9, 202056 kt wind · 2 events here
• Blizzard, January 17, 20201 event here
• Frost/Freeze, October 11, 20191 event here
• Flash Flood, September 24, 2019$5,000 · 61 kt wind · 1 event here
• Heavy Rain, August 17, 20194 events here
• Excessive Heat, July 17, 20191 event here
• Tornado, July 15, 2019$500 · 53 kt wind · 3 events here
• Hail, May 27, 20191 in hail · 1 event here
• Flash Flood, May 23, 2019$70,000 · 54 kt wind · 4 events here
• Tornado, May 22, 2019$35,000 · EF2 · 2 events here
• Hail, April 10, 20191 in hail · 1 event here
• Flash Flood, March 13, 2019$10,000 · 1 event here
• Flood, March 11, 20191 event here
• Blizzard, February 23, 20191 event here
• Winter Storm, February 16, 20191 event here
• Extreme Cold/Wind Chill, January 29, 20191 event here
• Winter Storm, January 22, 20191 event here
• Frost/Freeze, October 15, 20181 event here
• Hail, September 18, 20181 in hail · 1 event here
• Hail, August 31, 20182 in hail · 2 events here
• Heavy Rain, August 19, 201810 events here
• Flash Flood, July 1, 20181 event here
• Hail, June 28, 2018$50,000 · 1 in hail · 4 events here
• Flood, June 10, 20181.75 in hail · 3 events here
• Thunderstorm Wind, June 2, 201876 kt wind · 3 events here
• Tornado, May 29, 2018$10,000 · EF0 · 1 event here
• Hail, May 1, 20182 in hail · 1 event here
• Hail, April 13, 2018$330,000 · 1.75 in hail · 5 events here
• Extreme Cold/Wind Chill, January 15, 20181 event here
• Extreme Cold/Wind Chill, January 1, 20181 event here
• Extreme Cold/Wind Chill, December 30, 20171 event here
• Frost/Freeze, October 28, 20171 event here
• Frost/Freeze, October 27, 20171 event here
• Tornado, August 20, 2017$11,000 · EF0 · 7 events here
• Tornado, June 16, 2017EF1 · 3 events here
• Hail, June 15, 2017$210,000 · 2.75 in hail · 4 events here
• Hail, May 7, 20171.5 in hail · 1 event here
• Ice Storm, January 15, 20171 event here
• Frost/Freeze, October 13, 20161 event here
• Flash Flood, September 15, 201654 kt wind · 2 events here
• Hail, August 11, 2016$30,000 · 61 kt wind · 3 events here
• Excessive Heat, July 20, 20161 event here
• Tornado, July 19, 2016EF0 · 2 events here
• Flash Flood, July 17, 20161.75 in hail · 1 event here
• Flash Flood, May 25, 2016$50,000 · 1.25 in hail · 3 events here
• Blizzard, February 2, 20161 event here
• Winter Storm, December 28, 20151 event here
• Heavy Rain, December 12, 20153 events here
• High Wind, November 11, 201557 kt wind · 1 event here
• Flood, July 15, 20151 event here
• Flash Flood, June 23, 2015$5,000 · 3.5 in hail · 1 event here
• Flash Flood, June 14, 20153 events here
• Flash Flood, June 10, 20151.75 in hail · 1 event here
• Tornado, May 10, 2015$5,000 · EF1 · 1 event here
• Winter Storm, February 1, 20151 death · $50,000 · 1 event here
• Flood, October 1, 20144 events here
• Flash Flood, September 9, 2014$15,000 · 2 in hail · 6 events here
• Heavy Rain, August 28, 20143 events here
• Heavy Rain, August 28, 20141 event here
• Flash Flood, August 23, 20141 event here
• Heavy Rain, August 6, 20141 event here
• Tornado, June 30, 2014$500,000 · EF2 · 3 events here
• Flash Flood, June 26, 20141 in hail · 1 event here
• Flash Flood, June 3, 2014$123,000 · 2.75 in hail · 8 events here
• Tornado, May 11, 2014$102,000 · EF2 · 3 events here
• Hail, April 12, 20142.75 in hail · 2 events here
• High Wind, January 26, 2014$25,000 · 56 kt wind · 1 event here
• High Wind, January 16, 2014$10,000 · 53 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 5, 20141 event here
• Hail, August 6, 2013$10,000 · 2.5 in hail · 1 event here
• Drought, August 1, 2013$21 million · 1 event here
• Flash Flood, June 24, 2013$40,000 · 65 kt wind · 4 events here
• Thunderstorm Wind, May 30, 2013$10,000 · 61 kt wind · 1 event here
• Flash Flood, April 17, 20131 in hail · 1 event here
• Winter Storm, March 10, 2013$5,000 · 1 event here
• Heavy Snow, February 21, 20131 event here
• Winter Storm, January 29, 2013$25,000 · 1 event here
• Blizzard, December 20, 2012$100,000 · 1 event here
• Winter Storm, December 19, 2012$25,000 · 1 event here
• Hail, October 13, 20120.75 in hail · 2 events here
• Drought, October 1, 20121 event here
• Drought, September 1, 20121 event here
• Drought, August 1, 2012$6.0 million · 1 event here
• Drought, July 1, 2012$45 million · 1 event here
• Thunderstorm Wind, June 10, 2012$5,000 · 52 kt wind · 1 event here
• Flash Flood, May 6, 2012$28,000 · 1 in hail · 3 events here
• High Wind, April 15, 2012$15,000 · 52 kt wind · 1 event here
• Tornado, April 14, 2012$20,000 · EF2 · 5 events here
• Frost/Freeze, April 11, 2012$1.5 million · 1 event here
• Hail, March 29, 2012$5,000 · 1.75 in hail · 2 events here
• High Wind, February 29, 2012$10,000 · 60 kt wind · 1 event here
• Heavy Snow, February 4, 20121 event here
• High Wind, August 12, 2011$10,000 · 54 kt wind · 1 event here
• Hail, August 6, 2011$5,000 · 1 in hail · 2 events here
• Excessive Heat, July 15, 2011$135,000 · 1 event here
• Thunderstorm Wind, July 15, 2011$1,000 · 54 kt wind · 3 events here
• Tornado, July 11, 2011$7,000 · EF0 · 2 events here
• Tornado, June 26, 2011$10,000 · EF1 · 1 event here
• Tornado, June 20, 2011$7,000 · EF1 · 2 events here
• Tornado, June 19, 2011$20,000 · EF1 · 1 event here
• Tornado, March 22, 2011$175,000 · EF2 · 8 events here
• Winter Storm, February 1, 2011$5,000 · 1 event here
• Heavy Snow, January 9, 20111 event here
• Blizzard, December 11, 2010$75,000 · 1 event here
• Hail, October 12, 2010$5,000 · 0.75 in hail · 1 event here
• Flash Flood, September 18, 2010$105,000 · 3 in hail · 2 events here
• Flash Flood, September 13, 20101 in hail · 1 event here
• Tornado, August 10, 2010$3,000 · EF0 · 2 events here
• Thunderstorm Wind, July 14, 2010$30,000 · 61 kt wind · 2 events here
• Flash Flood, July 3, 20101 event here
• Tornado, June 18, 2010$45,000 · EF0 · 3 events here
• Flood, June 12, 2010$20 million · 1 event here
• Tornado, June 1, 2010$5,000 · EF2 · 2 events here
• Hail, April 29, 2010$12,000 · 1.75 in hail · 5 events here
• Hail, April 2, 2010$5,000 · 66 kt wind · 1 event here
• Blizzard, January 25, 2010$75,000 · 1 event here
• Ice Storm, January 20, 2010$750,000 · 1 event here
• Winter Storm, December 24, 2009$50,000 · 1 event here
• Ice Storm, December 23, 2009$500,000 · 1 event here
• Blizzard, December 8, 2009$50,000 · 1 event here
• Heavy Snow, December 7, 2009$10,000 · 1 event here
• Frost/Freeze, October 10, 2009$2.5 million · 1 event here
• Thunderstorm Wind, August 16, 2009$200,000 · 65 kt wind · 1 event here
• Hail, August 9, 2009$26,000 · 3 in hail · 4 events here
• Flash Flood, July 4, 20094 events here
• Flash Flood, June 23, 2009$33,000 · 1.75 in hail · 3 events here
• Hail, June 19, 2009$5,000 · 82 kt wind · 1 event here
• Hail, June 17, 2009$5,000 · 2 in hail · 1 event here
• Tornado, June 7, 2009$10,000 · EF0 · 2 events here
• Hail, June 7, 2009$35,000 · 2.5 in hail · 1 event here
• Tornado, March 23, 2009$270,000 · EF0 · 2 events here
• Thunderstorm Wind, March 23, 200953 kt wind · 1 event here
• Heavy Snow, February 13, 20091 event here
• Ice Storm, December 18, 2008$5,000 · 1 event here
• High Wind, October 26, 2008$50,000 · 60 kt wind · 1 event here
• Hail, September 23, 2008$29,000 · 1 in hail · 5 events here
• Flash Flood, July 7, 2008$20,000 · 61 kt wind · 1 event here
• Hail, June 20, 2008$6,000 · 1 in hail · 1 event here
• Tornado, June 11, 2008$125,000 · EF0 · 3 events here
• Flood, June 10, 2008$20,000 · 1 event here
• Tornado, June 7, 2008$20,000 · EF1 · 2 events here
• Tornado, June 5, 2008$1,000 · EF1 · 2 events here
• Tornado, June 4, 2008$128,000 · EF1 · 4 events here
• Tornado, May 25, 2008$11,000 · EF5 · 3 events here
• Hail, April 22, 2008$9,000 · 1 in hail · 5 events here
• Ice Storm, December 10, 2007$75,000 · 1 event here
• Ice Storm, December 1, 2007$15,000 · 1 event here
• Flood, October 15, 2007$75,000 · 1 event here
• Flash Flood, October 14, 2007$85,000 · 1 event here
• Thunderstorm Wind, October 2, 2007$2,000 · 52 kt wind · 1 event here
• Flash Flood, August 20, 2007$15,000 · 1 in hail · 1 event here
• Thunderstorm Wind, August 12, 2007$5,000 · 62 kt wind · 1 event here
• Flash Flood, August 6, 2007$80,000 · 80 kt wind · 4 events here
• Thunderstorm Wind, July 19, 2007$10,000 · 50 kt wind · 1 event here
• Tornado, June 21, 2007$29,000 · EF0 · 3 events here
• Flash Flood, May 24, 2007$575,000 · 3 events here
• Hail, May 23, 2007$15,000 · 1.25 in hail · 1 event here
• Tornado, May 6, 2007$2.9 million · EF2 · 10 events here
• Flood, May 6, 2007$50,000 · 1 event here
• Flash Flood, April 24, 2007$100,000 · 2 events here
• Thunderstorm Wind, April 22, 2007$1,000 · 50 kt wind · 1 event here
• Hail, April 2, 2007$1,000 · 1.75 in hail · 1 event here
• Blizzard, March 1, 2007$100,000 · 1 event here
• Winter Storm, February 24, 2007$250,000 · 1 event here
• Heavy Snow, January 20, 20071 event here
• Hail, June 27, 2006$5,000 · 1 in hail · 1 event here
• Hail, June 18, 2006$7,000 · 1 in hail · 1 event here
• Thunderstorm Wind, May 23, 2006$10,000 · 61 kt wind · 1 event here
• High Wind, April 15, 2006$50,000 · 52 kt wind · 1 event here
• Tornado, April 15, 2006$12,000 · F0 · 3 events here
• Hail, April 2, 20060.75 in hail · 1 event here
• Tornado, March 30, 2006$5,000 · F0 · 1 event here
• Heavy Snow, March 21, 2006$5,000 · 1 event here
• High Wind, January 24, 2006$10,000 · 60 kt wind · 1 event here
• High Wind, November 12, 2005$50,000 · 57 kt wind · 1 event here
• Hail, September 18, 2005$6,000 · 1 in hail · 1 event here
• Hail, September 13, 2005$5,000 · 1 in hail · 1 event here
• Hail, June 29, 2005$39,000 · 73 kt wind · 4 events here
• Hail, June 8, 2005$5,000 · 1 in hail · 1 event here
• Tornado, May 10, 2005$3,000 · F0 · 2 events here
• High Wind, March 10, 2005$5,000 · 55 kt wind · 1 event here
• High Wind, January 22, 2005$10,000 · 56 kt wind · 1 event here
• Heavy Snow, January 4, 2005$10,000 · 1 event here

Earlier years, state by state:

• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1981
• 1980
• 1979
• 1976
• 1975
• 1974
• 1971
• 1970
• 1969
• 1968
• 1964
• 1963
• 1956

Tornadoes in Cass CountyEvery warning in Cass 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.