Iroquois County tornado history

59 tornadoes touched Iroquois County, Illinois between 1950 and 2025 — about 0.8 a year. The strongest was rated F3 (Mar 12, 1976). Tornadoes here killed 1 and injured 33 people.

59tornadoes since 1950

F3strongest rating

1killed · 33 injured

51.5 milongest path · 1961

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

By rating

(E)F020

(E)F120

(E)F29

(E)F34

(E)F40

(E)F50

unrated6

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Mar 12, 1976	F3	38.5 mi	250 yd	15	1
Nov 17, 2013	EF3	29.8 mi	880 yd	6	0
Mar 6, 1956	F3	9.4 mi	500 yd	6	0
May 15, 1968	F3	7.1 mi	400 yd	0	0
May 31, 1954	F2	24.2 mi	400 yd	2	0
Jun 22, 1990	F2	3 mi	100 yd	0	0
May 21, 1956	F2	2 mi	70 yd	0	0
Sep 14, 1965	F2	1 mi	50 yd	2	0
Mar 31, 1973	F2	0.1 mi	10 yd	0	0
May 24, 1975	F2	0.1 mi	10 yd	0	0
Apr 23, 1976	F2	0.1 mi	67 yd	0	0
Apr 23, 1976	F2	0.1 mi	10 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Dec 28, 2025	EF0	2.6 mi	100 yd
Dec 28, 2025	EF1	9.5 mi	150 yd
Dec 28, 2025	EF0	3.4 mi	75 yd
Dec 28, 2025	unrated	4.9 mi	25 yd
May 14, 2025	unrated	0.1 mi	25 yd
Apr 2, 2025	EF1	2.3 mi	400 yd
Apr 2, 2025	EF0	2.2 mi	300 yd
Mar 31, 2023	EF1	16.5 mi	300 yd
Mar 31, 2023	EF1	4.8 mi	300 yd
Oct 3, 2021	unrated	0.1 mi	30 yd
Jun 25, 2021	EF1	1.5 mi	250 yd
Jun 9, 2020	unrated	4.4 mi	75 yd

Deadliest: Mar 12, 1976, F3, 1 killed.

Nearby counties

Ford County, IL39 Newton County, IN24 Kankakee County, IL62 Benton County, IN24 Warren County, IN13 Livingston County, IL54 Vermilion County, IL72 Jasper County, IN31

Questions

How many tornadoes has Iroquois County, Illinois had?

59 tornadoes touched Iroquois County, Illinois between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.8 per year.

What was the strongest tornado in Iroquois County?

The strongest rating recorded was F3 on Mar 12, 1976, with a 38.5-mile path and 1 deaths.

When is tornado season in Iroquois County?

Most of its tornadoes happened in June (14 of 59). 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).