Johnson County tornado history

20 tornadoes touched Johnson County, Illinois between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (Apr 28, 2002). Tornadoes here killed 1 and injured 26 people.

20tornadoes since 1950

F3strongest rating

1killed · 26 injured

30.9 milongest path · 1972

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

By rating

(E)F04

(E)F15

(E)F29

(E)F32

(E)F40

(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 28, 2002	F3	19.3 mi	400 yd	10	1
May 26, 2024	EF3	4.9 mi	300 yd	1	0
Apr 14, 1972	F2	30.9 mi	30 yd	9	0
May 25, 2011	EF2	19.9 mi	325 yd	0	0
Mar 15, 2025	EF2	15.6 mi	150 yd	0	0
Oct 18, 2004	F2	14 mi	300 yd	0	0
Oct 18, 2004	F2	8.8 mi	250 yd	3	0
Apr 28, 2002	F2	7 mi	400 yd	2	0
Apr 2, 2025	EF2	6.2 mi	250 yd	0	0
Dec 18, 1957	F2	0.1 mi	10 yd	0	0
Jun 22, 1974	F2	0.1 mi	10 yd	0	0
May 26, 2024	EF1	6.9 mi	100 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
Apr 2, 2025	EF2	6.2 mi	250 yd	0	0
Mar 15, 2025	EF2	15.6 mi	150 yd	0	0
May 26, 2024	EF3	4.9 mi	300 yd	1	0
May 26, 2024	EF1	6.9 mi	100 yd	0	0
Jun 19, 2015	EF1	0.4 mi	50 yd	0	0
Oct 31, 2013	EF1	0.7 mi	50 yd	0	0
May 25, 2011	EF2	19.9 mi	325 yd	0	0
Oct 18, 2004	F2	8.8 mi	250 yd	3	0
Oct 18, 2004	F2	14 mi	300 yd	0	0
May 6, 2003	F0	0.2 mi	30 yd	0	0
May 6, 2003	F0	0.2 mi	30 yd	0	0
Apr 28, 2002	F3	19.3 mi	400 yd	10	1

Deadliest: Apr 28, 2002, F3, 1 killed.

Nearby counties

Williamson County, IL23 Pope County, IL14 Massac County, IL18 Union County, IL25 Pulaski County, IL12 Saline County, IL19 Ballard County, KY23 McCracken County, KY30

Questions

How many tornadoes has Johnson County, Illinois had?

20 tornadoes touched Johnson County, Illinois between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Johnson County?

The strongest rating recorded was F3 on Apr 28, 2002, with a 19.3-mile path and 1 deaths.

When is tornado season in Johnson County?

Most of its tornadoes happened in May (6 of 20). 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.