Monona County tornado history

30 tornadoes touched Monona County, Iowa between 1950 and 2025 — about 0.4 a year. The strongest was rated F4 (Jul 28, 1986). Tornadoes here killed 4 and injured 66 people.

30tornadoes since 1950

F4strongest rating

4killed · 66 injured

52.5 milongest path · 1986

(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F014

(E)F18

(E)F25

(E)F32

(E)F41

(E)F50

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jul 28, 1986	F4	52.5 mi	73 yd	2	0
Jun 11, 2008	EF3	13 mi	440 yd	48	4
Apr 9, 2011	EF3	3.4 mi	1,200 yd	14	0
Oct 4, 2013	EF2	26.6 mi	264 yd	2	0
May 16, 1999	F2	22.5 mi	90 yd	0	0
Sep 9, 1965	F2	10.2 mi	100 yd	0	0
May 28, 1991	F2	5 mi	60 yd	0	0
Jun 23, 1998	F2	2 mi	50 yd	0	0
Mar 21, 1953	F1	10.9 mi	600 yd	0	0
Apr 26, 2024	EF1	9.1 mi	766 yd	0	0
Jun 20, 2011	EF1	7.1 mi	300 yd	0	0
Jun 8, 1967	F1	5.1 mi	300 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
Apr 26, 2024	EF1	9.1 mi	766 yd	0	0
Apr 26, 2024	EF0	1.5 mi	100 yd	0	0
Apr 26, 2024	EF1	3.3 mi	250 yd	0	0
Oct 4, 2013	EF2	26.6 mi	264 yd	2	0
Apr 14, 2012	EF0	0.4 mi	25 yd	0	0
Jun 20, 2011	EF1	7.1 mi	300 yd	0	0
Apr 9, 2011	EF3	3.4 mi	1,200 yd	14	0
Jun 11, 2008	EF3	13 mi	440 yd	48	4
Jun 11, 2008	EF0	0.3 mi	60 yd	0	0
May 29, 2008	EF1	3.8 mi	200 yd	0	0
Aug 17, 2001	F0	4 mi	20 yd	0	0
Aug 17, 2001	F0	0.2 mi	30 yd	0	0

Deadliest: Jun 11, 2008, EF3, 4 killed.

Nearby counties

Burt County, NE23 Woodbury County, IA57 Harrison County, IA35 Crawford County, IA45 Thurston County, NE16 Ida County, IA16 Washington County, NE25 Dakota County, NE9

Questions

How many tornadoes has Monona County, Iowa had?

30 tornadoes touched Monona County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Monona County?

The strongest rating recorded was F4 on Jul 28, 1986, with a 52.5-mile path.

When is tornado season in Monona County?

Most of its tornadoes happened in June (10 of 30). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).