Cass County tornado history

20 tornadoes touched Cass County, Illinois between 1950 and 2025 — about 0.3 a year. The strongest was rated F2 (Jun 10, 1957). Tornadoes here killed 1 and injured 7 people.

20tornadoes since 1950

F2strongest rating

1killed · 7 injured

42.3 milongest path · 1957

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

By rating

(E)F05

(E)F16

(E)F24

(E)F30

(E)F40

(E)F50

unrated5

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jun 10, 1957	F2	42.3 mi	10 yd	0	0
Jun 23, 1960	F2	34.9 mi	100 yd	1	0
Dec 10, 2021	EF2	12.8 mi	200 yd	0	0
Jul 27, 1973	F2	0.1 mi	10 yd	0	0
Apr 8, 1999	F1	9.3 mi	333 yd	6	1
Dec 3, 1955	F1	12.5 mi	100 yd	0	0
Dec 1, 2018	EF1	4.2 mi	200 yd	0	0
Jul 10, 2021	EF1	2.4 mi	75 yd	0	0
Apr 19, 2002	F1	2 mi	40 yd	0	0
Aug 8, 1973	F1	0.1 mi	10 yd	0	0
Feb 20, 2014	EF0	8.2 mi	50 yd	0	0
Jul 10, 2021	EF0	3.2 mi	75 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jun 18, 2025	unrated	1.4 mi	10 yd
Jun 18, 2025	unrated	3 mi	10 yd
Dec 10, 2021	EF2	12.8 mi	200 yd
Jul 10, 2021	EF0	3.2 mi	75 yd
Jul 10, 2021	EF1	2.4 mi	75 yd
Jul 10, 2021	unrated	0.1 mi	10 yd
May 3, 2021	unrated	0.5 mi	50 yd
May 3, 2021	unrated	1.5 mi	100 yd
Dec 1, 2018	EF0	0.6 mi	50 yd
Dec 1, 2018	EF1	4.2 mi	200 yd
Feb 20, 2014	EF0	8.2 mi	50 yd
Apr 19, 2002	F1	2 mi	40 yd

Deadliest: Apr 8, 1999, F1, 1 killed.

Nearby counties

Morgan County, IL43 Schuyler County, IL24 Menard County, IL16 Mason County, IL41 Scott County, IL17 Brown County, IL12 Sangamon County, IL92 Fulton County, IL50

Questions

How many tornadoes has Cass County, Illinois had?

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

What was the strongest tornado in Cass County?

The strongest rating recorded was F2 on Jun 10, 1957, with a 42.3-mile path.

When is tornado season in Cass County?

Most of its tornadoes happened in June (5 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.