Iowa County tornado history

36 tornadoes touched Iowa County, Iowa between 1950 and 2025 — about 0.5 a year. The strongest was rated F4 (Jun 7, 1984). Tornadoes here killed 5 and injured 75 people.

36tornadoes since 1950

F4strongest rating

5killed · 75 injured

134 milongest path · 1984

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

By rating

(E)F09

(E)F119

(E)F25

(E)F30

(E)F43

(E)F50

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jun 7, 1984	F4	134 mi	250 yd	64	3
Mar 31, 2023	EF4	19.9 mi	700 yd	3	0
Aug 12, 1974	F4	2 mi	100 yd	2	0
Apr 30, 1954	F2	65.8 mi	200 yd	0	0
May 8, 1988	F2	59 mi	60 yd	0	0
Apr 21, 1973	F2	13.2 mi	10 yd	6	0
Apr 27, 1991	F2	4.5 mi	50 yd	0	0
May 22, 2011	EF2	3.9 mi	75 yd	0	0
Apr 27, 2014	EF1	45.7 mi	1,600 yd	0	2
Nov 11, 2015	EF1	24.6 mi	130 yd	0	0
Nov 15, 1988	F1	19 mi	50 yd	0	0
May 25, 2008	EF1	6.2 mi	440 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
Mar 31, 2023	EF4	19.9 mi	700 yd	3	0
Jan 16, 2023	EF1	4.7 mi	400 yd	0	0
May 29, 2019	EF0	0.1 mi	20 yd	0	0
May 29, 2019	EF0	3.3 mi	20 yd	0	0
Jul 11, 2017	EF1	4.6 mi	60 yd	0	0
Nov 11, 2015	EF1	24.6 mi	130 yd	0	0
Apr 27, 2014	EF1	45.7 mi	1,600 yd	0	2
May 22, 2011	EF2	3.9 mi	75 yd	0	0
May 22, 2011	EF0	2 mi	25 yd	0	0
May 25, 2008	EF1	6.2 mi	440 yd	0	0
May 30, 2004	F1	0.2 mi	50 yd	0	0
Apr 11, 2001	F0	0.1 mi	10 yd	0	0

Deadliest: Jun 7, 1984, F4, 3 killed.

Nearby counties

Poweshiek County, IA33 Johnson County, IA45 Keokuk County, IA33 Benton County, IA48 Washington County, IA25 Linn County, IA66 Tama County, IA47 Mahaska County, IA28

Questions

How many tornadoes has Iowa County, Iowa had?

36 tornadoes touched Iowa County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.5 per year.

What was the strongest tornado in Iowa County?

The strongest rating recorded was F4 on Jun 7, 1984, with a 134-mile path and 3 deaths.

When is tornado season in Iowa County?

Most of its tornadoes happened in May (12 of 36). 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).