Mercer County tornado history

22 tornadoes touched Mercer County, North Dakota between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (Jun 18, 1956).

22tornadoes since 1950

F3strongest rating

0killed · 8 injured

33.7 milongest path · 1975

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

By rating

(E)F012

(E)F17

(E)F21

(E)F31

(E)F40

(E)F50

unrated1

JFMAMJJASOND

Peak month: July.

’50’60’70’80’90’00’10’20

Date	Rating	Path	Width	Injured
Jun 18, 1956	F3	10.6 mi	100 yd	1
May 24, 1975	F2	33.7 mi	50 yd	5
Aug 12, 1969	F1	7.6 mi	50 yd	0
Jun 13, 1999	F1	2 mi	30 yd	0
Oct 2, 1967	F1	0.6 mi	10 yd	0
Jul 19, 1976	F1	0.5 mi	50 yd	0
Aug 21, 1962	F1	0.1 mi	10 yd	0
Jul 31, 1966	F1	0.1 mi	10 yd	0
Jul 12, 1976	F1	0.1 mi	10 yd	2
Jul 8, 2011	EF0	3.2 mi	30 yd	0
Jul 8, 2011	EF0	3.1 mi	40 yd	0
Aug 1, 2010	EF0	1.6 mi	40 yd	0

Date	Rating	Path	Width
Aug 30, 2025	unrated	0.5 mi	50 yd
Jul 8, 2019	EF0	0.6 mi	50 yd
Jun 1, 2018	EF0	1.4 mi	75 yd
Jul 8, 2011	EF0	3.1 mi	40 yd
Jul 8, 2011	EF0	3.2 mi	30 yd
Aug 1, 2010	EF0	1.6 mi	40 yd
Aug 15, 1999	F0	0.5 mi	—
Jun 13, 1999	F1	2 mi	30 yd
Jul 10, 1997	F0	0.2 mi	10 yd
Jul 6, 1990	F0	0.1 mi	10 yd
Jul 4, 1988	F0	0.2 mi	30 yd
Jun 11, 1980	F0	0.1 mi	10 yd

How many tornadoes has Mercer County, North Dakota had?

22 tornadoes touched Mercer County, North Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Mercer County?

The strongest rating recorded was F3 on Jun 18, 1956, with a 10.6-mile path.

When is tornado season in Mercer County?

Most of its tornadoes happened in July (9 of 22). 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).