St. Clair County tornado history

61 tornadoes touched St. Clair County, Illinois between 1950 and 2025 — about 0.8 a year. The strongest was rated F4 (Feb 24, 1956). Tornadoes here killed 12 and injured 145 people.

61tornadoes since 1950

F4strongest rating

12killed · 145 injured

77.6 milongest path · 1956

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

By rating

(E)F023

(E)F119

(E)F214

(E)F34

(E)F41

(E)F50

By month

JFMAMJJASOND

Peak month: April.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Feb 24, 1956	F4	77.6 mi	500 yd	36	6
May 15, 1968	F3	2 mi	200 yd	60	4
Apr 5, 1958	F3	60.5 mi	100 yd	8	1
May 1, 1983	F3	16 mi	1,000 yd	3	0
Nov 15, 1988	F3	9 mi	200 yd	0	0
Apr 2, 2006	F2	7 mi	100 yd	11	1
Mar 20, 1976	F2	39 mi	250 yd	0	0
Mar 29, 1960	F2	22.3 mi	130 yd	0	0
Apr 3, 1968	F2	19.8 mi	50 yd	0	0
May 21, 1957	F2	19.7 mi	150 yd	0	0
Jun 8, 2009	EF2	11.8 mi	176 yd	0	0
Mar 14, 2025	EF2	11 mi	700 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Apr 20, 2025	EF0	0.8 mi	100 yd
Apr 19, 2025	EF0	0.5 mi	25 yd
Mar 14, 2025	EF1	14.7 mi	275 yd
Mar 14, 2025	EF1	6.8 mi	450 yd
Mar 14, 2025	EF2	11 mi	700 yd
May 26, 2024	EF0	10.5 mi	500 yd
Apr 18, 2024	EF0	1.1 mi	35 yd
Apr 15, 2023	EF1	19.6 mi	100 yd
Apr 15, 2023	EF0	0.6 mi	100 yd
Apr 15, 2023	EF0	1.1 mi	90 yd
Apr 15, 2023	EF1	3 mi	200 yd
May 19, 2022	EF0	0.2 mi	50 yd

Deadliest: Feb 24, 1956, F4, 6 killed.

Nearby counties

Monroe County, IL41 St. Louis city, MO7 Madison County, IL65 Clinton County, IL28 Washington County, IL35 Randolph County, IL45 St. Louis County, MO57 Jefferson County, MO46

Questions

How many tornadoes has St. Clair County, Illinois had?

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

What was the strongest tornado in St. Clair County?

The strongest rating recorded was F4 on Feb 24, 1956, with a 77.6-mile path and 6 deaths.

When is tornado season in St. Clair County?

Most of its tornadoes happened in April (17 of 61). 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.