Grant County tornado history

27 tornadoes touched Grant County, North Dakota between 1950 and 2025 — about 0.4 a year. The strongest was rated F4 (Jul 4, 1978). Tornadoes here killed 6 and injured 40 people.

27tornadoes since 1950

F4strongest rating

6killed · 40 injured

68 milongest path · 1975

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

By rating

(E)F016

(E)F18

(E)F21

(E)F30

(E)F42

(E)F50

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jul 4, 1978	F4	26 mi	250 yd	35	5
Jun 29, 1975	F4	68 mi	880 yd	4	1
Jun 12, 2011	EF2	6 mi	800 yd	0	0
Aug 24, 1983	F1	8 mi	30 yd	0	0
Jun 11, 1976	F1	6.4 mi	10 yd	1	0
May 24, 2010	EF1	1.6 mi	40 yd	0	0
Jun 29, 1986	F1	0.2 mi	10 yd	0	0
Jul 21, 1964	F1	0.1 mi	10 yd	0	0
Jun 13, 1965	F1	0.1 mi	10 yd	0	0
Jun 24, 1966	F1	0.1 mi	10 yd	0	0
Jun 11, 1976	F1	0.1 mi	10 yd	0	0
Jun 3, 2005	F0	1 mi	30 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jul 26, 2016	EF0	0.1 mi	20 yd
Jun 12, 2011	EF2	6 mi	800 yd
May 24, 2010	EF1	1.6 mi	40 yd
Jul 10, 2008	EF0	0.8 mi	30 yd
Jun 3, 2005	F0	1 mi	30 yd
Jul 19, 2001	F0	—	40 yd
Aug 21, 1995	F0	0.1 mi	10 yd
Jun 29, 1986	F1	0.2 mi	10 yd
Jun 7, 1984	F0	0.3 mi	10 yd
Aug 24, 1983	F1	8 mi	30 yd
Jul 17, 1983	F0	0.3 mi	10 yd
Jul 24, 1981	F0	0.4 mi	10 yd

Deadliest: Jul 4, 1978, F4, 5 killed.

Nearby counties

Morton County, ND54 Sioux County, ND17 Hettinger County, ND20 Adams County, ND14 Corson County, SD23 Oliver County, ND12 Stark County, ND26 Mercer County, ND22

Questions

How many tornadoes has Grant County, North Dakota had?

27 tornadoes touched Grant County, North Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Grant County?

The strongest rating recorded was F4 on Jul 4, 1978, with a 26-mile path and 5 deaths.

When is tornado season in Grant County?

Most of its tornadoes happened in June (15 of 27). 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 (2004 onward).