Mahnomen County tornado history

26 tornadoes touched Mahnomen County, Minnesota between 1950 and 2025 — about 0.3 a year. The strongest was rated F2 (Jul 5, 1978). Tornadoes here killed 4 and injured 44 people.

26tornadoes since 1950

F2strongest rating

4killed · 44 injured

57.5 milongest path · 1978

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

By rating

(E)F013

(E)F17

(E)F24

(E)F30

(E)F40

(E)F50

unrated2

By month

JFMAMJJASOND

Peak month: July.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jul 5, 1978	F2	57.5 mi	400 yd	44	4
Jul 22, 2013	EF2	21.1 mi	400 yd	0	0
Jul 11, 2008	EF2	16 mi	250 yd	0	0
Jun 24, 2023	EF2	6.2 mi	250 yd	0	0
Jun 24, 1966	F1	49.8 mi	10 yd	0	0
Jun 25, 1970	F1	10.3 mi	20 yd	0	0
Jun 24, 2022	EF1	3.8 mi	400 yd	0	0
May 24, 2019	EF1	3.5 mi	200 yd	0	0
Jul 25, 2002	F1	3 mi	50 yd	0	0
Jun 11, 1966	F1	1.9 mi	30 yd	0	0
Jun 22, 2015	EF1	0.2 mi	30 yd	0	0
May 24, 2019	EF0	6.6 mi	200 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jun 24, 2023	unrated	0.3 mi	10 yd
Jun 24, 2023	unrated	0.2 mi	10 yd
Jun 24, 2023	EF2	6.2 mi	250 yd
Jun 24, 2022	EF1	3.8 mi	400 yd
May 24, 2019	EF0	6.6 mi	200 yd
May 24, 2019	EF1	3.5 mi	200 yd
Jun 22, 2015	EF1	0.2 mi	30 yd
Jul 22, 2013	EF2	21.1 mi	400 yd
Jun 17, 2010	EF0	6 mi	40 yd
Jul 24, 2008	EF0	1 mi	25 yd
Jul 11, 2008	EF0	2 mi	25 yd
Jul 11, 2008	EF2	16 mi	250 yd

Deadliest: Jul 5, 1978, F2, 4 killed.

Nearby counties

Clearwater County, MN23 Becker County, MN34 Norman County, MN30 Red Lake County, MN20 Polk County, MN83 Clay County, MN43 Hubbard County, MN23 Pennington County, MN11

Questions

How many tornadoes has Mahnomen County, Minnesota had?

26 tornadoes touched Mahnomen County, Minnesota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Mahnomen County?

The strongest rating recorded was F2 on Jul 5, 1978, with a 57.5-mile path and 4 deaths.

When is tornado season in Mahnomen County?

Most of its tornadoes happened in July (13 of 26). 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.