Cass County, North Dakota tornadoes

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108confirmed tornadoes since NOAA records began in 1950 (the first here in 1950). Most recent: June 20, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

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Tornado paths, 1950 to 2025

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Cass County

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The record

At a glance

Total1081950 to 2025

Per year1.4average since 1950

Peak monthJuly36 of 108

StrongestF5Jun 20, 1957

Deaths13whole paths, see note

Injuries111whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Cass County.

Seasons

When tornadoes hit here

By month

July is the peak month, with 36 of 108 tornadoes.

By time of day

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0

EF1

EF2

EF3

EF5

Unknown

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

All 108 tornadoes, newest first

Tornadoes, newest first
Date	Rating	Path length	Width	Deaths	Injuries
Jun 20, 2025	EF0	0.74 mi	20 yd	0	0
Jun 20, 2025	EF0	1.86 mi	20 yd	0	0
Jun 20, 2025	EF0	0.68 mi	10 yd	0	0
Jun 20, 2025	EF1	6.86 mi	300 yd	0	0
Jun 20, 2025	EF2	6.82 mi	1,351 yd	0	0
Jun 20, 2025	EF5	12.1 mi	1,850 yd	3	0
Jun 20, 2025	EF1	12.17 mi	800 yd	0	0
Jun 20, 2025	EF0	5.82 mi	300 yd	0	0
Jun 20, 2025	EF0	8.56 mi	100 yd	0	0
May 15, 2025	EFU	0.1 mi	20 yd	0	0
Aug 20, 2021	EF0	0.4 mi	40 yd	0	0
Jun 7, 2021	EF0	0.28 mi	20 yd	0	0
Jun 8, 2018	EF0	0.05 mi	25 yd	0	0
Jun 8, 2018	EF0	0.15 mi	50 yd	0	0
Jun 8, 2018	EF0	1.04 mi	200 yd	0	0
Sep 4, 2014	EF1	11.64 mi	250 yd	0	0
Jun 5, 2014	EF0	0.1 mi	10 yd	0	0
Jun 1, 2014	EF0	0.1 mi	25 yd	0	0
Jul 17, 2011	EF0	0.5 mi	15 yd	0	0
Jul 4, 2011	EF2	3 mi	600 yd	0	0
Jul 4, 2011	EF0	4 mi	40 yd	0	0
May 30, 2011	EF2	7.44 mi	600 yd	0	0
May 30, 2011	EF2	4 mi	400 yd	0	0
May 30, 2011	EF1	2.33 mi	150 yd	0	0
May 30, 2011	EF2	4.27 mi	600 yd	0	0
Jul 27, 2010	EF1	2.76 mi	150 yd	0	0
Jul 13, 2010	EF1	11.67 mi	250 yd	0	0
Jun 14, 2008	EF0	5.1 mi	25 yd	0	0
Jul 15, 2007	EF2	8 mi	250 yd	0	0
Jul 15, 2007	EF1	1.5 mi	150 yd	0	0
Jul 15, 2007	EF1	10 mi	200 yd	0	0
Jul 15, 2007	EF2	3 mi	150 yd	0	0
Jun 17, 2007	EF0	2 mi	50 yd	0	0
May 30, 2007	EF0	4.76 mi	100 yd	0	0
May 30, 2007	EF1	5 mi	100 yd	0	0
Aug 10, 2006	F0	25 mi	n/a	0	0
Aug 5, 2006	F1	3 mi	50 yd	0	0
Jun 5, 2006	F0	0.4 mi	25 yd	0	0
May 7, 2006	F0	0.2 mi	25 yd	0	0
Sep 5, 2005	F1	1.5 mi	100 yd	0	0
Sep 5, 2005	F2	4 mi	200 yd	0	0
Jun 29, 2005	F0	2 mi	50 yd	0	0
May 20, 2005	F0	0.7 mi	50 yd	0	0
May 20, 2005	F1	3 mi	75 yd	0	0
Jul 18, 2004	F0	0.5 mi	25 yd	0	0
Jul 18, 2004	F2	4 mi	100 yd	0	0
Jul 18, 2004	F0	1.2 mi	25 yd	0	0
Jul 10, 2004	F1	2 mi	50 yd	0	0
Jul 10, 2004	F0	7 mi	25 yd	0	0
May 19, 2004	F1	1 mi	50 yd	0	0
Aug 28, 2002	F0	0.2 mi	25 yd	0	0
Aug 22, 1999	F0	0.5 mi	n/a	0	0
Jul 26, 1997	F0	0.2 mi	23 yd	0	0
Jul 26, 1997	F0	0.2 mi	23 yd	0	0
Jul 26, 1997	F0	0.2 mi	23 yd	0	0
Jun 5, 1996	F0	0.5 mi	20 yd	0	0
Jul 9, 1992	F0	0.1 mi	10 yd	0	0
Jun 22, 1992	F1	0.2 mi	73 yd	0	0
Jun 22, 1992	F0	0.2 mi	73 yd	0	0
Jun 13, 1991	F0	0.1 mi	10 yd	0	0
Jun 19, 1990	F0	0.1 mi	10 yd	0	0
Jul 23, 1988	F1	0.2 mi	13 yd	0	0
Jul 12, 1988	F0	0.2 mi	13 yd	0	0
Jul 12, 1988	F0	0.2 mi	13 yd	0	0
Aug 17, 1987	F0	0.2 mi	13 yd	0	0
Jul 21, 1987	F0	0.2 mi	10 yd	0	0
Jul 21, 1987	F1	0.2 mi	10 yd	0	0
Jul 10, 1986	F0	0.2 mi	13 yd	0	0
Jul 10, 1986	F0	0.2 mi	13 yd	0	0
May 4, 1985	F0	0.1 mi	10 yd	0	0
Aug 28, 1983	F1	0.3 mi	10 yd	0	0
Jul 30, 1983	F0	0.3 mi	10 yd	0	0
Jul 10, 1981	F0	2 mi	27 yd	0	0
Aug 6, 1980	F0	0.1 mi	10 yd	0	0
Jun 28, 1979	F0	0.1 mi	10 yd	0	0
Jun 1, 1979	F0	0.1 mi	10 yd	0	0
Jul 13, 1977	F0	0.1 mi	10 yd	0	0
Jul 4, 1977	F1	20.7 mi	10 yd	0	0
Aug 19, 1976	F1	0.3 mi	17 yd	0	0
Aug 19, 1976	F2	0.3 mi	20 yd	0	0
Aug 19, 1976	F1	1 mi	17 yd	0	0
Aug 19, 1976	F1	0.5 mi	17 yd	0	0
Aug 10, 1976	F1	0.1 mi	10 yd	0	0
May 27, 1976	F1	0.1 mi	17 yd	0	0
Aug 31, 1975	F0	0.5 mi	17 yd	0	0
Jul 7, 1975	F0	0.1 mi	10 yd	0	0
May 19, 1975	F0	13.9 mi	10 yd	0	0
Jun 15, 1973	F3	0.1 mi	10 yd	0	0
May 26, 1972	F1	2 mi	30 yd	0	0
Jul 9, 1967	F0	0.1 mi	10 yd	0	0
Jul 9, 1967	F0	0.1 mi	10 yd	0	0
Jul 23, 1966	F0	0.1 mi	10 yd	0	0
Jul 15, 1965	F0	0.1 mi	10 yd	0	0
Jun 27, 1965	F1	0.1 mi	10 yd	0	0
Jun 26, 1965	F0	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 10, 1960	F2	6.9 mi	10 yd	0	0
May 31, 1960	F2	0.1 mi	10 yd	0	0
Jun 10, 1959	F2	0.1 mi	10 yd	0	0
Aug 9, 1958	F1	0.1 mi	10 yd	0	0
Jun 20, 1957	F5	52.4 mi	500 yd	10	103
Jun 20, 1957	F0	0.1 mi	10 yd	0	0
Aug 30, 1956	F3	5.1 mi	60 yd	0	8
Jul 7, 1956	F0	0.1 mi	10 yd	0	0
Jun 30, 1955	F1	0.1 mi	10 yd	0	0
May 29, 1953	F2	3.6 mi	100 yd	0	0
Jun 13, 1950	F3	2 mi	10 yd	0	0

Cities

Cities in Cass County

Each city page counts every tornado path within 10 miles of the city, including paths just over the county line.

Fargo 28

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.