Marion County tornado history

47 tornadoes touched Marion County, Iowa between 1950 and 2025 — about 0.6 a year. The strongest was rated F3 (Apr 8, 1999).

47tornadoes since 1950

F3strongest rating

0killed · 35 injured

39 milongest path · 1999

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

By rating

(E)F017

(E)F120

(E)F25

(E)F33

(E)F40

(E)F50

unrated2

JFMAMJJASOND

Peak month: May.

’50’60’70’80’90’00’10’20

Date	Rating	Path	Width	Injured
Apr 8, 1999	F3	39 mi	—	5
Jun 22, 2015	EF3	11.1 mi	575 yd	0
Jul 19, 2018	EF3	9.2 mi	800 yd	13
Sep 30, 2007	EF2	21.9 mi	1,250 yd	0
May 30, 2008	EF2	19.2 mi	900 yd	10
May 28, 1962	F2	11.7 mi	200 yd	0
Jun 22, 1964	F2	6.4 mi	200 yd	0
Jun 5, 1972	F2	1.9 mi	200 yd	0
May 10, 2003	F1	18.5 mi	50 yd	0
Jun 5, 2008	EF1	18.3 mi	150 yd	0
Jun 28, 2017	EF1	17.8 mi	500 yd	0
Apr 4, 2023	EF1	15.3 mi	130 yd	0

Date	Rating	Path	Width
May 7, 2024	EF0	5 mi	80 yd
May 13, 2023	EF0	1.1 mi	40 yd
May 13, 2023	unrated	0.5 mi	30 yd
May 13, 2023	EF0	0.5 mi	50 yd
May 13, 2023	EF0	0.7 mi	40 yd
May 13, 2023	unrated	0.3 mi	30 yd
May 13, 2023	EF0	0.9 mi	50 yd
Apr 4, 2023	EF1	15.3 mi	130 yd
Jun 20, 2021	EF1	1.5 mi	150 yd
Aug 20, 2019	EF1	1.6 mi	120 yd
Jul 19, 2018	EF1	4 mi	500 yd
Jul 19, 2018	EF0	1 mi	40 yd

How many tornadoes has Marion County, Iowa had?

47 tornadoes touched Marion County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.6 per year.

What was the strongest tornado in Marion County?

The strongest rating recorded was F3 on Apr 8, 1999, with a 39-mile path.

When is tornado season in Marion County?

Most of its tornadoes happened in May (19 of 47). 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).