Clayton County tornado history

17 tornadoes touched Clayton County, Iowa between 1950 and 2025 — about 0.2 a year. The strongest was rated F4 (Apr 30, 1954). Tornadoes here killed 2 and injured 30 people.

17tornadoes since 1950

F4strongest rating

2killed · 30 injured

80.4 milongest path · 1954

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

By rating

(E)F07

(E)F15

(E)F22

(E)F32

(E)F41

(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
Apr 30, 1954	F4	80.4 mi	200 yd	0	0
May 30, 1985	F3	34 mi	1,500 yd	27	2
May 10, 1953	F3	6.6 mi	400 yd	0	0
Jun 13, 1990	F2	8 mi	67 yd	0	0
Aug 25, 1965	F2	4.7 mi	100 yd	0	0
Mar 31, 2007	EF1	11.8 mi	200 yd	0	0
Mar 31, 2023	EF1	11.1 mi	90 yd	0	0
May 25, 1994	F1	6.5 mi	40 yd	0	0
Jul 19, 2017	EF1	5.8 mi	400 yd	2	0
Jun 19, 1992	F1	1 mi	23 yd	0	0
May 29, 2013	EF0	6.4 mi	10 yd	0	0
Sep 12, 2019	EF0	4.2 mi	40 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured
Mar 31, 2023	EF1	11.1 mi	90 yd	0
Sep 12, 2019	EF0	4.2 mi	40 yd	0
Jul 19, 2017	EF1	5.8 mi	400 yd	2
May 29, 2013	EF0	6.4 mi	10 yd	0
Mar 31, 2007	EF1	11.8 mi	200 yd	0
May 10, 2001	F0	1 mi	75 yd	0
May 25, 1994	F1	6.5 mi	40 yd	0
Jun 19, 1992	F0	0.2 mi	23 yd	0
Jun 19, 1992	F1	1 mi	23 yd	0
Jun 13, 1990	F2	8 mi	67 yd	0
Jun 26, 1989	F0	0.2 mi	20 yd	1
May 24, 1989	F0	0.3 mi	23 yd	0

Deadliest: May 30, 1985, F3, 2 killed.

Nearby counties

Delaware County, IA45 Fayette County, IA32 Allamakee County, IA13 Grant County, WI62 Crawford County, WI14 Dubuque County, IA35 Buchanan County, IA49 Winneshiek County, IA25

Questions

How many tornadoes has Clayton County, Iowa had?

17 tornadoes touched Clayton County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.2 per year.

What was the strongest tornado in Clayton County?

The strongest rating recorded was F4 on Apr 30, 1954, with an 80.4-mile path.

When is tornado season in Clayton County?

Most of its tornadoes happened in May (6 of 17). 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.