Cass County tornado history

107 tornadoes touched Cass County, North Dakota between 1950 and 2025 — about 1.4 a year. The strongest was rated F5 (Jun 20, 1957). Tornadoes here killed 13 and injured 111 people.

107tornadoes since 1950

F5strongest rating

13killed · 111 injured

52.4 milongest path · 1957

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

By rating

(E)F058

(E)F127

(E)F216

(E)F33

(E)F40

(E)F52

unrated1

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 20, 1957	F5	52.4 mi	500 yd	103	10
Jun 20, 2025	EF5	12.1 mi	1,850 yd	0	3
Aug 30, 1956	F3	5.1 mi	60 yd	8	0
Jun 13, 1950	F3	2 mi	10 yd	0	0
Jun 15, 1973	F3	0.1 mi	10 yd	0	0
May 5, 1965	F2	33.8 mi	83 yd	0	0
Jun 8, 1964	F2	26.9 mi	10 yd	0	0
Jul 15, 2007	EF2	8 mi	250 yd	0	0
May 30, 2011	EF2	7.4 mi	600 yd	0	0
Jul 10, 1960	F2	6.9 mi	10 yd	0	0
Jun 20, 2025	EF2	6.8 mi	1,351 yd	0	0
May 30, 2011	EF2	4.3 mi	600 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Killed
Jun 20, 2025	EF0	8.6 mi	100 yd	0
Jun 20, 2025	EF0	5.8 mi	300 yd	0
Jun 20, 2025	EF1	12.2 mi	800 yd	0
Jun 20, 2025	EF5	12.1 mi	1,850 yd	3
Jun 20, 2025	EF2	6.8 mi	1,351 yd	0
Jun 20, 2025	EF1	6.9 mi	300 yd	0
Jun 20, 2025	EF0	0.7 mi	10 yd	0
Jun 20, 2025	EF0	1.9 mi	20 yd	0
Jun 20, 2025	EF0	0.7 mi	20 yd	0
May 15, 2025	unrated	0.1 mi	20 yd	0
Aug 20, 2021	EF0	0.4 mi	40 yd	0
Jun 7, 2021	EF0	0.3 mi	20 yd	0

Deadliest: Jun 20, 1957, F5, 10 killed.

Nearby counties

Clay County, MN43 Traill County, ND34 Ransom County, ND35 Barnes County, ND68 Steele County, ND45 Norman County, MN30 Richland County, ND62 Wilkin County, MN34

Questions

How many tornadoes has Cass County, North Dakota had?

107 tornadoes touched Cass County, North Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 1.4 per year.

What was the strongest tornado in Cass County?

The strongest rating recorded was F5 on Jun 20, 1957, with a 52.4-mile path and 10 deaths.

When is tornado season in Cass County?

Most of its tornadoes happened in June (35 of 107). 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.