Storm History: Monona County, Iowa

Events

516

Deaths

5

Injuries

69

Damage

$293 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 Monona County

• Tornado, June 11, 20084 deaths · 48 injured · EF3 · 2 events here
• Dense Fog, December 24, 20251 death · 1 event here

• Tornado, July 28, 1986$250 million · F4 · 1 event here
• Flood, July 16, 1996$29 million · 1 event here
• Flood, August 1, 2011$5.0 million · 1 event here
• Flash Flood, March 12, 2019$4.2 million · 2 events here
• Flash Flood, June 24, 2024$1.5 million · 2.5 in hail · 2 events here
• Tornado, May 5, 2007$1.5 million · EF2 · 4 events here
• Tornado, August 7, 1994$1.1 million · F3 · 5 events here
• Tornado, September 9, 1965$275,000 · F2 · 2 events here
• Tornado, May 28, 1991$250,000 · F2 · 1 event here
• Tornado, June 12, 1994$161,000 · F2 · 3 events here
• Tornado, May 16, 1999$120,000 · F1 · 1 event here
• Tornado, July 5, 1994$116,000 · F3 · 4 events here
• Tornado, October 6, 1994$93,000 · F1 · 4 events here
• Hail, August 12, 1993$55,000 · 0.87 in hail · 1 event here
• Hail, June 10, 1994$55,000 · 1.75 in hail · 1 event here
• Flood, July 1, 2011$50,000 · 1 event here
• Flash Flood, June 30, 2014$50,000 · 3 in hail · 2 events here
• Strong Wind, April 15, 2012$40,000 · 1 event here
• Tornado, March 21, 1953$25,000 · F3 · 1 event here
• Tornado, May 18, 1962$25,000 · F1 · 2 events here

• Flash Flood, June 12, 20243.5 in hail · 3 events here
• Flash Flood, June 30, 2014$50,000 · 3 in hail · 2 events here
• Hail, August 18, 20113 in hail · 3 events here
• Hail, August 5, 20003 in hail · 1 event here
• Hail, May 12, 20112.75 in hail · 4 events here
• Hail, July 24, 19862.75 in hail · 1 event here
• Hail, June 21, 19742.75 in hail · 1 event here
• Hail, May 11, 19632.75 in hail · 1 event here
• Flash Flood, June 24, 2024$1.5 million · 2.5 in hail · 2 events here
• Hail, August 6, 20112.5 in hail · 1 event here
• Hail, July 25, 20022.5 in hail · 1 event here
• Hail, June 29, 20172 in hail · 1 event here
• Hail, April 1, 19672 in hail · 1 event here
• Hail, May 26, 19582 in hail · 1 event here
• Hail, March 6, 20171.75 in hail · 1 event here

• Tornado, June 8, 1967$25,000 · F4 · 1 event here
• Tornado, June 7, 1984F4 · 2 events here
• Tornado, July 28, 1986$250 million · F4 · 1 event here
• Tornado, September 28, 1986F4 · 1 event here
• Tornado, March 13, 1990F4 · 1 event here
• Tornado, June 11, 20084 deaths · 48 injured · EF3 · 2 events here
• Tornado, March 21, 1953$25,000 · F3 · 1 event here
• Tornado, September 20, 1980F3 · 1 event here
• Tornado, June 16, 1992$250 · F3 · 4 events here
• Tornado, July 5, 1994$116,000 · F3 · 4 events here
• Tornado, August 7, 1994$1.1 million · F3 · 5 events here
• Tornado, April 9, 201114 injured · EF3 · 5 events here
• Tornado, April 26, 2024EF3 · 3 events here
• Tornado, May 12, 1963F2 · 1 event here
• Tornado, September 9, 1965$275,000 · F2 · 2 events here

Every tornado in Monona County, with its track

• Heat, June 28, 20261 event here
• Thunderstorm Wind, May 17, 202663 kt wind · 1 event here
• High Wind, March 15, 202656 kt wind · 1 event here
• Hail, March 6, 20261.5 in hail · 1 event here
• Extreme Cold/Wind Chill, January 23, 20261 event here
• High Wind, January 21, 202653 kt wind · 1 event here
• Dense Fog, December 24, 20251 death · 1 event here
• High Wind, December 18, 202553 kt wind · 1 event here
• High Wind, December 9, 202557 kt wind · 1 event here
• Winter Storm, November 28, 20251 event here
• High Wind, November 25, 202555 kt wind · 1 event here
• Thunderstorm Wind, August 9, 202587 kt wind · 2 events here
• Excessive Heat, July 27, 20251 event here
• Excessive Heat, June 20, 20251 event here
• Blizzard, March 19, 202563 kt wind · 2 events here
• Thunderstorm Wind, March 14, 202561 kt wind · 1 event here
• Blizzard, March 4, 202557 kt wind · 2 events here
• Extreme Cold/Wind Chill, February 19, 20251 event here
• Extreme Cold/Wind Chill, February 17, 20251 event here
• High Wind, December 19, 202452 kt wind · 1 event here
• Excessive Heat, August 25, 202452 kt wind · 1 event here
• Excessive Heat, July 29, 202478 kt wind · 1 event here
• Funnel Cloud, July 21, 20242 events here
• Flash Flood, June 24, 2024$1.5 million · 2.5 in hail · 2 events here
• Flash Flood, June 12, 20243.5 in hail · 3 events here
• Tornado, May 24, 2024EF1 · 1 event here
• Tornado, May 19, 2024EF2 · 1 event here
• Tornado, April 26, 2024EF3 · 3 events here
• Winter Storm, January 18, 20241 event here
• Extreme Cold/Wind Chill, January 12, 20241 event here
• Blizzard, January 11, 20241 event here
• Winter Storm, January 8, 20241 event here
• Excessive Heat, August 19, 20231 event here
• Tornado, July 12, 2023EF2 · 1 event here
• Hail, May 8, 20231 in hail · 1 event here
• Tornado, April 19, 2023EF0 · 3 events here
• Winter Storm, March 26, 20231 event here
• Winter Storm, January 18, 20231 event here
• Extreme Cold/Wind Chill, December 22, 20221 event here
• Thunderstorm Wind, July 23, 202265 kt wind · 1 event here
• Thunderstorm Wind, July 11, 202265 kt wind · 1 event here
• Hail, May 19, 20221 in hail · 1 event here
• Thunderstorm Wind, May 12, 202265 kt wind · 1 event here
• Hail, July 9, 20211.5 in hail · 1 event here
• Winter Storm, February 21, 20211 event here
• Extreme Cold/Wind Chill, February 14, 20211 event here
• Blizzard, January 14, 20211 event here
• Blizzard, December 23, 20201 event here
• Ice Storm, November 10, 20201 event here
• Thunderstorm Wind, July 11, 202052 kt wind · 1 event here
• Hail, June 2, 20201 in hail · 1 event here
• Winter Weather, November 26, 20191 event here
• Hail, September 14, 20191 in hail · 1 event here
• Flash Flood, July 3, 201956 kt wind · 1 event here
• Hail, June 20, 20191 in hail · 2 events here
• Flash Flood, March 12, 2019$4.2 million · 2 events here
• Blizzard, February 23, 20191 event here
• Cold/Wind Chill, January 29, 20191 event here
• High Wind, January 1, 201959 kt wind · 1 event here
• Tornado, June 18, 2018EF0 · 1 event here
• Hail, June 6, 20181 in hail · 1 event here
• Thunderstorm Wind, June 1, 201861 kt wind · 1 event here
• Winter Weather, March 5, 20181 event here
• Hail, June 29, 20172 in hail · 1 event here
• Hail, March 6, 20171.75 in hail · 1 event here
• Heavy Snow, February 23, 20171 event here
• Winter Weather, February 7, 20171 event here
• High Wind, December 25, 201652 kt wind · 1 event here
• Flash Flood, September 15, 20161.5 in hail · 3 events here
• Thunderstorm Wind, August 11, 201655 kt wind · 1 event here
• Thunderstorm Wind, July 11, 201652 kt wind · 1 event here
• Hail, July 7, 20161.75 in hail · 1 event here
• Thunderstorm Wind, July 5, 201656 kt wind · 1 event here
• Hail, April 24, 20161 in hail · 2 events here
• Blizzard, February 2, 20161 event here
• Winter Storm, November 30, 20151 event here
• Hail, August 9, 20151 in hail · 1 event here
• Winter Storm, February 1, 20151 event here
• Winter Storm, January 31, 20151 event here
• Cold/Wind Chill, January 7, 20151 event here
• Cold/Wind Chill, December 30, 20141 event here
• Flash Flood, June 30, 2014$50,000 · 3 in hail · 2 events here
• Tornado, June 29, 2014EF0 · 1 event here
• Hail, June 16, 20141.75 in hail · 1 event here
• Hail, June 5, 20141 in hail · 1 event here
• Cold/Wind Chill, March 2, 20141 event here
• Cold/Wind Chill, February 5, 20141 event here
• Cold/Wind Chill, January 27, 20141 event here
• High Wind, January 26, 201454 kt wind · 1 event here
• Cold/Wind Chill, January 22, 20141 event here
• High Wind, January 18, 201455 kt wind · 1 event here
• High Wind, January 16, 201456 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 5, 20141 event here
• Cold/Wind Chill, December 29, 20131 event here
• Cold/Wind Chill, December 23, 20131 event here
• Cold/Wind Chill, December 1, 20131 event here
• Tornado, October 4, 2013EF2 · 1 event here
• Flash Flood, August 11, 20131 event here
• Hail, July 8, 20131 in hail · 2 events here
• Flash Flood, May 29, 201360 kt wind · 1 event here
• Flood, May 28, 20131 event here
• Winter Weather, May 1, 20131 event here
• Drought, April 1, 20131 event here
• Blizzard, March 10, 20132 events here
• Drought, March 1, 20131 event here
• Drought, February 1, 20131 event here
• Cold/Wind Chill, January 31, 20131 event here
• Drought, January 1, 20131 event here
• Blizzard, December 19, 20122 events here
• Drought, December 1, 20121 event here
• Drought, November 1, 20121 event here
• Drought, October 1, 20121 event here
• Drought, September 1, 20121 event here
• Hail, August 15, 20121.25 in hail · 1 event here
• Drought, August 1, 20121 event here
• Drought, July 24, 20121 event here
• Heat, July 17, 20121 event here
• Excessive Heat, July 3, 20121 event here
• Flash Flood, June 20, 20122 events here
• Hail, May 23, 20121 in hail · 3 events here
• Hail, May 19, 20121 in hail · 2 events here
• Strong Wind, April 15, 2012$40,000 · 1 event here
• Tornado, April 14, 2012EF2 · 1 event here
• Hail, March 30, 20121 in hail · 1 event here
• Cold/Wind Chill, February 11, 20121 event here
• Winter Storm, December 3, 20111 event here
• Hail, August 18, 20113 in hail · 3 events here
• Hail, August 6, 20112.5 in hail · 1 event here
• Excessive Heat, August 1, 20111 event here
• Flood, August 1, 2011$5.0 million · 1 event here
• Excessive Heat, July 15, 20111 event here
• Flood, July 1, 2011$50,000 · 1 event here
• Tornado, June 26, 2011EF0 · 3 events here
• Tornado, June 20, 2011EF1 · 3 events here
• Flood, June 1, 2011$20,000 · 1 event here
• Hail, May 12, 20112.75 in hail · 4 events here
• Tornado, April 9, 201114 injured · EF3 · 5 events here
• Cold/Wind Chill, February 8, 20111 event here
• Winter Storm, February 1, 20111 event here
• Winter Storm, January 22, 20111 event here
• Winter Weather, January 9, 20111 event here
• Blizzard, December 11, 20102 events here
• Thunderstorm Wind, August 8, 201056 kt wind · 1 event here
• Excessive Heat, August 8, 20102 events here
• Heat, July 17, 20101 event here
• Thunderstorm Wind, July 14, 201052 kt wind · 1 event here
• Heat, July 14, 20101 event here
• Flood, July 1, 2010$2,000 · 1 event here
• Flood, June 27, 2010$5,000 · 1 event here
• Hail, April 5, 20101.5 in hail · 2 events here
• Winter Weather, February 14, 20105 injured · 1 event here
• Blizzard, January 25, 20101 event here
• Ice Storm, January 19, 20101 event here
• Winter Storm, January 6, 20103 events here
• Blizzard, December 24, 20092 events here
• Blizzard, December 7, 20092 events here
• Winter Storm, April 5, 20091 event here
• Hail, February 26, 20091 in hail · 1 event here
• Cold/Wind Chill, January 14, 20091 event here
• Blizzard, January 12, 20091 event here
• Cold/Wind Chill, December 20, 20081 event here
• Cold/Wind Chill, December 14, 20081 event here
• Hail, August 27, 20080.75 in hail · 1 event here
• Thunderstorm Wind, July 21, 200864 kt wind · 1 event here
• Hail, July 20, 20080.75 in hail · 1 event here
• Thunderstorm Wind, July 6, 20082 injured · 55 kt wind · 1 event here
• Tornado, June 20, 2008EF0 · 2 events here
• Tornado, June 11, 20084 deaths · 48 injured · EF3 · 2 events here
• Hail, June 11, 200855 kt wind · 1 event here
• Tornado, June 4, 2008EF1 · 1 event here
• Tornado, May 29, 2008EF1 · 3 events here
• Extreme Cold/Wind Chill, February 20, 20081 event here
• Winter Weather, January 29, 20081 event here
• Ice Storm, December 1, 20071 event here
• Hail, September 30, 20070.75 in hail · 1 event here
• Hail, September 24, 200761 kt wind · 4 events here
• Thunderstorm Wind, August 28, 200756 kt wind · 1 event here
• Hail, August 22, 20070.88 in hail · 1 event here
• Hail, August 20, 200750 kt wind · 2 events here
• Thunderstorm Wind, August 9, 200755 kt wind · 1 event here
• Thunderstorm Wind, July 18, 200755 kt wind · 2 events here
• Hail, May 31, 20070.75 in hail · 1 event here
• Flash Flood, May 6, 20071 event here
• Tornado, May 5, 2007$1.5 million · EF2 · 4 events here
• Hail, March 31, 20071.75 in hail · 2 events here
• Hail, March 21, 20071 in hail · 1 event here
• Blizzard, March 1, 20071 event here
• Winter Storm, February 24, 20071 event here
• Cold/Wind Chill, February 15, 20071 event here
• Cold/Wind Chill, February 14, 20071 event here
• Cold/Wind Chill, February 4, 20071 event here
• Cold/Wind Chill, February 3, 20071 event here
• Cold/Wind Chill, February 2, 20071 event here
• Cold/Wind Chill, January 30, 20071 event here
• Heavy Snow, January 20, 20071 event here
• Cold/Wind Chill, January 15, 20071 event here
• Thunderstorm Wind, August 10, 200650 kt wind · 1 event here
• Thunderstorm Wind, August 10, 200650 kt wind · 1 event here
• Thunderstorm Wind, August 1, 200663 kt wind · 1 event here
• Thunderstorm Wind, May 23, 200650 kt wind · 1 event here
• Funnel Cloud, April 29, 20061 event here
• Thunderstorm Wind, April 6, 200650 kt wind · 1 event here
• Thunderstorm Wind, March 30, 200650 kt wind · 1 event here
• Hail, March 30, 20060.75 in hail · 1 event here
• Winter Storm, March 21, 20061 event here
• Hail, March 7, 20060.75 in hail · 1 event here
• Cold/Wind Chill, February 18, 20061 event here
• Cold/Wind Chill, December 5, 20051 event here
• Heat, July 22, 20051 event here
• Thunderstorm Wind, May 26, 200550 kt wind · 1 event here
• Hail, April 20, 20050.75 in hail · 1 event here
• Hail, March 30, 20050.88 in hail · 1 event here
• High Wind, March 10, 200550 kt wind · 1 event here
• Winter Storm, January 4, 20051 event here
• Hail, September 14, 20040.88 in hail · 1 event here
• Hail, May 24, 20040.75 in hail · 1 event here
• Hail, May 8, 20041 in hail · 1 event here
• Hail, April 16, 20040.75 in hail · 1 event here
• Hail, April 16, 20040.88 in hail · 1 event here
• Winter Storm, March 15, 20041 event here
• Winter Storm, February 5, 20041 event here
• Winter Storm, February 1, 20041 event here
• Cold/Wind Chill, January 28, 20041 event here
• Cold/Wind Chill, January 27, 20041 event here
• Winter Storm, January 25, 20041 event here
• Cold/Wind Chill, January 5, 20041 event here
• Winter Storm, December 9, 20031 event here
• Thunderstorm Wind, August 18, 200350 kt wind · 1 event here
• Hail, July 20, 20031.5 in hail · 1 event here
• Thunderstorm Wind, July 20, 200360 kt wind · 1 event here
• Thunderstorm Wind, July 20, 200360 kt wind · 1 event here
• Thunderstorm Wind, July 20, 200355 kt wind · 1 event here
• Hail, July 20, 20030.88 in hail · 1 event here
• Hail, July 20, 20030.75 in hail · 1 event here
• Thunderstorm Wind, July 5, 200360 kt wind · 1 event here
• Hail, July 4, 20030.75 in hail · 1 event here
• Thunderstorm Wind, July 4, 200350 kt wind · 1 event here
• Hail, July 4, 20031 in hail · 1 event here
• High Wind, June 23, 20031 event here
• Hail, June 9, 20030.75 in hail · 1 event here
• Hail, June 9, 20030.75 in hail · 1 event here
• Hail, June 9, 20030.88 in hail · 1 event here
• Winter Storm, April 6, 20031 event here
• Winter Storm, February 14, 20031 event here
• Extreme Cold/Wind Chill, January 22, 20031 event here
• Hail, September 18, 20021 in hail · 1 event here
• Hail, July 25, 20021.75 in hail · 1 event here
• Hail, July 25, 20021.75 in hail · 1 event here
• Hail, July 25, 20022.5 in hail · 1 event here
• Hail, July 21, 20020.75 in hail · 1 event here

Earlier years, state by state:

• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1981
• 1980
• 1979
• 1978
• 1977
• 1976
• 1975
• 1974
• 1970
• 1969
• 1968
• 1967
• 1966
• 1965
• 1963
• 1962
• 1958
• 1953

Tornadoes in Monona CountyEvery warning in Monona 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.