Storm History: Grundy County, Iowa

Events

558

Deaths

2

Injuries

3

Damage

$134 million

Episodes

400

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 Grundy County

• Tornado, June 2, 19521 death · 2 injured · $200,000 · F2 · 1 event here
• Winter Storm, January 1, 19991 death · $10,000 · 1 event here

• Drought, July 1, 2012$45 million · 1 event here
• Flood, June 12, 2010$20 million · 1 event here
• Hail, August 9, 2009$17 million · 3 in hail · 6 events 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
• Tornado, May 30, 1989$2.5 million · F4 · 1 event here
• Tornado, June 28, 1990$2.5 million · F3 · 4 events here
• Frost/Freeze, October 10, 2009$2.5 million · 1 event here
• Frost/Freeze, April 11, 2012$1.5 million · 1 event here
• Flash Flood, May 29, 2013$700,000 · 1.5 in hail · 2 events here
• Flash Flood, July 1, 2018$600,000 · 4 events here
• Thunderstorm Wind, June 20, 1997$550,000 · 80 kt wind · 1 event here
• Tornado, June 8, 1999$550,000 · F0 · 1 event here
• Flash Flood, June 24, 2013$495,000 · 65 kt wind · 4 events here
• Flash Flood, July 9, 20001 injured · $450,000 · 65 kt wind · 1 event here
• Flood, May 22, 2004$398,000 · 1 event here
• Tornado, May 10, 2001$373,000 · F2 · 8 events here
• Tornado, June 22, 2007$350,000 · EF2 · 1 event here
• Tornado, May 25, 2008$312,000 · EF5 · 4 events here

• Hail, April 6, 2010$15,000 · 3.5 in hail · 2 events here
• Flash Flood, August 19, 20223 in hail · 2 events here
• Hail, August 9, 2009$17 million · 3 in hail · 6 events here
• Flash Flood, June 25, 20083 in hail · 1 event here
• Hail, June 18, 19603 in hail · 1 event here
• Hail, May 24, 20242.75 in hail · 1 event here
• Hail, April 15, 20172.75 in hail · 1 event here
• Hail, April 12, 20142.75 in hail · 1 event here
• Flash Flood, June 19, 2002$8,000 · 2.75 in hail · 2 events here
• Hail, August 7, 19772.75 in hail · 1 event here
• Hail, July 11, 20202.5 in hail · 1 event here
• Flash Flood, June 9, 20182.5 in hail · 1 event here
• Hail, May 3, 20152.5 in hail · 1 event here
• Hail, June 8, 20112.5 in hail · 1 event here
• Hail, May 25, 20182.25 in hail · 1 event here

• Tornado, October 14, 1966$3,000 · F5 · 1 event here
• Tornado, May 25, 2008$312,000 · EF5 · 4 events here
• Tornado, May 24, 1989F4 · 1 event here
• Tornado, May 30, 1989$2.5 million · F4 · 1 event here
• Tornado, April 8, 1999$1,000 · F4 · 1 event here
• Tornado, April 16, 1960$250,000 · F3 · 1 event here
• Tornado, May 7, 1964F3 · 1 event here
• Tornado, April 19, 1966$25,000 · F3 · 1 event here
• Tornado, May 31, 1971F3 · 4 events here
• Tornado, June 20, 1974F3 · 1 event here
• Tornado, November 9, 1975$250,000 · F3 · 1 event here
• Tornado, June 28, 1990$2.5 million · F3 · 4 events here
• Tornado, March 22, 1991$250,000 · F3 · 3 events here
• Tornado, April 14, 1994$200,000 · F3 · 4 events here
• Tornado, May 11, 2000$100 · F3 · 1 event here

Every tornado in Grundy County, with its track

• Heavy Snow, February 19, 20261 event here
• Hail, September 22, 20251 in hail · 1 event here
• Tornado, August 18, 20253 events here
• Thunderstorm Wind, July 3, 202552 kt wind · 2 events here
• Hail, June 19, 2025$1,000 · 1.75 in hail · 5 events here
• Hail, June 11, 20251 in hail · 1 event here
• Hail, March 14, 20251.5 in hail · 1 event here
• Blizzard, March 4, 202555 kt wind · 2 events here
• High Wind, February 28, 202557 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 20, 20251 event here
• Drought, November 1, 20241 event here
• Drought, October 29, 20241 event 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, 20242 in hail · 2 events here
• Hail, May 19, 20241 in hail · 1 event here
• Hail, May 8, 20241.5 in hail · 1 event here
• Drought, May 1, 20241 event here
• Drought, April 1, 20241 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 1, 20231 event here
• Drought, August 1, 20231 event here
• Tornado, July 28, 2023EF1 · 1 event here
• Drought, July 1, 20231 event here
• Drought, June 13, 20231 event here
• Tornado, March 31, 2023$100,000 · EF2 · 2 events here
• Ice Storm, February 22, 20231 event here
• Winter Storm, January 28, 20231 event here
• Blizzard, December 22, 20222 events here
• Hail, August 27, 20221 in hail · 1 event here
• Funnel Cloud, August 20, 20222 events here
• Flash Flood, August 19, 20223 in hail · 2 events here
• Tornado, July 7, 20221 event here
• Flood, June 14, 20221 in hail · 1 event here
• High Wind, April 14, 202254 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 25, 20221 event here
• Winter Storm, January 14, 20221 event here
• Tornado, December 15, 2021EF2 · 1 event here
• Drought, November 1, 20211 event here
• Funnel Cloud, October 7, 20212 events here
• Drought, October 1, 20211 event here
• Drought, September 1, 20211 event here
• Tornado, August 20, 2021EF0 · 2 events here
• Hail, August 7, 202150 kt wind · 3 events here
• Drought, August 1, 20211 event here
• Tornado, July 14, 2021EF3 · 1 event here
• Drought, July 1, 20211 event here
• Drought, June 15, 20211 event here
• Winter Storm, March 15, 20211 event here
• Cold/Wind Chill, February 13, 20211 event here
• Extreme Cold/Wind Chill, February 7, 20211 event here
• Blizzard, February 4, 20211 event here
• Heavy Snow, January 25, 20211 event here
• Tornado, August 10, 2020EF1 · 2 events here
• Hail, July 11, 20202.5 in hail · 1 event here
• Flash Flood, June 21, 20201 in hail · 6 events here
• Tornado, June 18, 202055 kt wind · 2 events here
• Thunderstorm Wind, June 9, 202056 kt wind · 1 event here
• Hail, June 4, 20201.75 in hail · 3 events here
• Tornado, March 28, 2020EF1 · 1 event here
• Blizzard, January 17, 20201 event here
• Frost/Freeze, October 11, 20191 event here
• Tornado, September 9, 2019$5,000 · 61 kt wind · 1 event here
• Tornado, August 19, 2019EF3 · 1 event here
• Excessive Heat, July 17, 20191 event here
• Hail, June 28, 20191 in hail · 1 event here
• Hail, May 31, 20191 in hail · 1 event here
• Frost/Freeze, April 28, 20191 event here
• High Wind, April 11, 201955 kt wind · 1 event here
• Flash Flood, March 13, 2019$100,000 · 1 event here
• Blizzard, February 23, 20191 event here
• Winter Storm, February 19, 20191 event here
• Winter Storm, February 16, 20191 event here
• Winter Storm, February 11, 20191 event here
• Extreme Cold/Wind Chill, January 29, 20191 event here
• Winter Storm, January 27, 20191 event here
• Winter Storm, January 22, 20191 event here
• High Wind, October 20, 201852 kt wind · 1 event here
• Frost/Freeze, October 15, 20181 event here
• Flood, October 1, 2018$50,000 · 3 events here
• Hail, August 4, 20181 in hail · 4 events here
• Funnel Cloud, July 29, 20181 event here
• Funnel Cloud, July 28, 20181 event here
• Flash Flood, July 1, 2018$600,000 · 4 events here
• Flash Flood, June 25, 20181 event here
• Flash Flood, June 9, 20182.5 in hail · 1 event here
• Hail, June 6, 20182 in hail · 3 events here
• Hail, May 25, 20182.25 in hail · 1 event here
• Winter Storm, March 23, 20181 event here
• Winter Storm, February 8, 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
• Hail, May 17, 2017$20,000 · 1 in hail · 2 events here
• Hail, April 15, 20172.75 in hail · 1 event here
• Winter Storm, March 12, 20171 event here
• Tornado, March 6, 2017$65,000 · EF2 · 4 events here
• Ice Storm, January 15, 20171 event here
• Extreme Cold/Wind Chill, December 17, 20161 event here
• Tornado, November 28, 2016EF0 · 3 events here
• Frost/Freeze, October 13, 20161 event here
• Flash Flood, September 21, 2016$15,000 · 1.25 in hail · 2 events here
• Flash Flood, September 21, 20161 event here
• Flash Flood, September 15, 201654 kt wind · 1 event here
• Flash Flood, August 19, 201656 kt wind · 1 event here
• Heavy Rain, August 1, 20161 event here
• Flash Flood, July 16, 2016$5,000 · 1.25 in hail · 1 event here
• Flash Flood, June 21, 20161 in hail · 1 event here
• Flash Flood, May 25, 2016$10,000 · 1.25 in hail · 1 event here
• High Wind, February 19, 201653 kt wind · 1 event here
• Blizzard, February 7, 20161 event here
• Blizzard, February 2, 20161 event here
• Winter Storm, December 28, 20151 event here
• Flood, December 13, 2015$100,000 · 1 event here
• Heavy Rain, December 12, 20152 events here
• Winter Storm, November 20, 20151 event here
• High Wind, November 11, 201557 kt wind · 1 event here
• Flash Flood, August 27, 2015$210,000 · 6 events here
• Flash Flood, July 23, 20151.75 in hail · 3 events here
• Flash Flood, July 5, 201556 kt wind · 1 event here
• Hail, May 3, 20152.5 in hail · 1 event here
• Heavy Snow, February 25, 20151 event here
• Winter Storm, February 1, 2015$50,000 · 1 event here
• Extreme Cold/Wind Chill, January 6, 20151 event here
• Heavy Snow, January 5, 20151 event here
• Tornado, August 31, 2014$137,000 · EF1 · 4 events here
• Tornado, July 6, 2014$250,000 · EF1 · 2 events here
• Tornado, June 30, 2014$145,000 · EF2 · 4 events here
• Tornado, June 29, 2014$82,000 · EF1 · 2 events here
• Flash Flood, June 18, 201461 kt wind · 1 event here
• Tornado, June 16, 2014EF1 · 1 event here
• Hail, April 12, 20142.75 in hail · 1 event here
• Blizzard, February 20, 2014$25,000 · 1 event here
• Extreme Cold/Wind Chill, January 27, 20141 event here
• Blizzard, January 26, 2014$10,000 · 1 event here
• Extreme Cold/Wind Chill, January 5, 20141 event here
• Hail, August 1, 2013$2,000 · 1 in hail · 1 event here
• Hail, July 22, 2013$35,000 · 2 in hail · 1 event here
• Flash Flood, June 24, 2013$495,000 · 65 kt wind · 4 events here
• Flash Flood, May 29, 2013$700,000 · 1.5 in hail · 2 events here
• Flash Flood, May 25, 2013$75,000 · 1 in hail · 3 events here
• Hail, May 20, 2013$5,000 · 1.75 in hail · 1 event here
• Tornado, May 19, 2013$10,000 · EF1 · 2 events here
• Hail, April 29, 2013$5,000 · 2 in hail · 3 events here
• Hail, April 8, 2013$1,000 · 1.25 in hail · 4 events here
• Heavy Snow, February 26, 2013$5,000 · 1 event here
• Winter Storm, January 29, 2013$25,000 · 1 event here
• Ice Storm, January 27, 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
• Drought, October 1, 20121 event here
• Drought, September 1, 20121 event here
• Drought, August 1, 2012$6.0 million · 1 event here
• Hail, July 25, 2012$2,000 · 1.75 in hail · 1 event here
• Drought, July 1, 2012$45 million · 1 event here
• Hail, May 1, 2012$5,000 · 1 in hail · 1 event here
• Frost/Freeze, April 11, 2012$1.5 million · 1 event here
• Heavy Snow, January 20, 20121 event here
• Thunderstorm Wind, September 2, 2011$10,000 · 72 kt wind · 1 event here
• Excessive Heat, July 15, 2011$135,000 · 1 event here
• Hail, July 1, 2011$5,000 · 1.75 in hail · 1 event here
• Hail, June 8, 20112.5 in hail · 1 event here
• Blizzard, February 1, 2011$25,000 · 1 event here
• Heavy Snow, December 23, 20101 event here
• Blizzard, December 11, 2010$75,000 · 1 event here
• High Wind, October 27, 2010$25,000 · 55 kt wind · 1 event here
• Tornado, August 10, 2010$35,000 · EF0 · 2 events here
• Flash Flood, June 25, 2010$3,000 · 1 in hail · 1 event here
• Tornado, June 18, 2010$7,000 · EF0 · 1 event here
• Flood, June 12, 2010$20 million · 1 event here
• Flash Flood, May 12, 20101.25 in hail · 1 event here
• Hail, April 6, 2010$15,000 · 3.5 in hail · 2 events here
• Blizzard, January 25, 2010$75,000 · 1 event here
• Ice Storm, January 20, 2010$100,000 · 1 event here
• Winter Storm, January 6, 2010$25,000 · 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
• Hail, August 10, 2009$6,000 · 1 in hail · 1 event here
• Hail, August 9, 2009$17 million · 3 in hail · 6 events here
• Tornado, June 21, 2009$54,000 · EF1 · 7 events here
• Tornado, April 25, 2009EF0 · 2 events here
• Winter Storm, April 5, 2009$20,000 · 1 event here
• Heavy Snow, January 13, 20091 event here
• Heavy Snow, January 9, 20091 event here
• Ice Storm, December 27, 2008$5,000 · 1 event here
• Blizzard, December 20, 20081 event here
• Winter Storm, December 18, 2008$5,000 · 1 event here
• Winter Storm, December 8, 2008$10,000 · 1 event here
• High Wind, October 26, 2008$50,000 · 60 kt wind · 1 event here
• Tornado, July 27, 2008$3,000 · EF1 · 1 event here
• Flash Flood, July 7, 2008$2,000 · 61 kt wind · 1 event here
• Flash Flood, June 25, 20083 in hail · 1 event here
• Hail, June 14, 2008$13,000 · 1 in hail · 2 events here
• Tornado, June 14, 2008$26,000 · EF0 · 3 events here
• Tornado, June 5, 2008$105,000 · EF1 · 2 events here
• Tornado, May 25, 2008$312,000 · EF5 · 4 events here
• Tornado, April 24, 2008$170,000 · EF0 · 3 events here
• Tornado, April 10, 2008$1,000 · EF1 · 1 event here
• Flash Flood, March 2, 2008$25,000 · 1 event here
• Cold/Wind Chill, February 10, 20081 event here
• Ice Storm, December 10, 2007$75,000 · 1 event here
• Ice Storm, December 1, 2007$10,000 · 1 event here
• Flash Flood, August 20, 2007$2,000 · 1 in hail · 1 event here
• Hail, July 18, 2007$70,000 · 65 kt wind · 5 events here
• Tornado, June 22, 2007$350,000 · EF2 · 1 event here
• Tornado, June 1, 2007EF0 · 2 events here
• Hail, April 2, 2007$1,000 · 1.75 in hail · 1 event here
• Winter Storm, February 24, 2007$250,000 · 1 event here
• Heavy Snow, January 20, 20071 event here
• Heavy Snow, January 14, 20071 event here
• Hail, June 14, 2006$5,000 · 0.88 in hail · 1 event here
• Tornado, April 13, 2006$58,000 · F0 · 9 events here
• Tornado, March 30, 2006$5,000 · F0 · 1 event here
• High Wind, January 24, 2006$10,000 · 60 kt wind · 1 event here
• High Wind, November 15, 2005$30,000 · 50 kt wind · 1 event here
• High Wind, November 12, 2005$50,000 · 57 kt wind · 1 event here
• Flood, July 26, 2005$40,000 · 1 event here
• Hail, June 29, 2005$1,000 · 73 kt wind · 1 event here
• Flood, June 26, 2005$124,000 · 1 event here
• Hail, June 8, 2005$22,000 · 1 in hail · 2 events here
• High Wind, May 12, 2005$10,000 · 62 kt wind · 1 event here
• Hail, April 19, 20050.88 in hail · 1 event here
• Tornado, March 30, 2005$50,000 · F1 · 1 event here
• High Wind, January 22, 2005$10,000 · 56 kt wind · 1 event here
• Blizzard, January 21, 2005$5,000 · 1 event here
• Heavy Snow, January 4, 2005$10,000 · 1 event here
• Ice Storm, January 1, 2005$5,000 · 1 event here
• High Wind, December 12, 2004$50,000 · 56 kt wind · 1 event here
• Tornado, August 16, 2004$30,000 · F1 · 2 events here
• Tornado, August 3, 2004$47,000 · F1 · 3 events here
• Tornado, May 24, 2004$25,000 · F0 · 1 event here
• Flood, May 22, 2004$398,000 · 1 event here
• Tornado, May 21, 2004$179,000 · F2 · 14 events here
• High Wind, April 27, 2004$75,000 · 56 kt wind · 1 event here
• High Wind, April 18, 2004$80,000 · 57 kt wind · 1 event here
• High Wind, March 7, 2004$10,000 · 1 event here
• High Wind, November 12, 2003$50,000 · 55 kt wind · 1 event here
• Drought, August 1, 2003$13 million · 1 event here
• Flood, July 5, 2003$35,000 · 1 event here
• Hail, July 4, 2003$50,000 · 1.75 in hail · 3 events here
• Hail, May 14, 2003$2,000 · 1.75 in hail · 1 event here

Earlier years, state by state:

• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1987
• 1984
• 1983
• 1981
• 1980
• 1979
• 1978
• 1977
• 1975
• 1974
• 1973
• 1971
• 1969
• 1966
• 1964
• 1960
• 1952

Tornadoes in Grundy CountyEvery warning in Grundy 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.