Big Horn County tornado history

32 tornadoes touched Big Horn County, Wyoming between 1950 and 2025 — about 0.4 a year. The strongest was rated F3 (Aug 2, 1985). Tornadoes here killed 1 and injured 2 people.

32tornadoes since 1950

F3strongest rating

1killed · 2 injured

10 milongest path · 2005

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

By rating

(E)F015

(E)F110

(E)F26

(E)F31

(E)F40

(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
Aug 2, 1985	F3	0.2 mi	10 yd	0	0
Jun 26, 1959	F2	9.2 mi	333 yd	1	1
Jul 4, 1978	F2	5 mi	200 yd	1	0
Jun 12, 1962	F2	0.5 mi	33 yd	0	0
Jul 9, 1962	F2	0.5 mi	17 yd	0	0
Jun 3, 1958	F2	0.2 mi	17 yd	0	0
Jul 24, 1967	F2	0.1 mi	50 yd	0	0
Jun 5, 1964	F1	2 mi	100 yd	0	0
Jun 6, 1997	F1	1 mi	50 yd	0	0
Jun 26, 2001	F1	0.7 mi	400 yd	0	0
Jun 1, 2009	EF1	0.4 mi	35 yd	0	0
Jul 4, 1976	F1	0.2 mi	10 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jun 12, 2017	EF0	3.1 mi	30 yd
May 24, 2014	EF0	0.8 mi	20 yd
Aug 12, 2010	EF0	2.4 mi	30 yd
Jun 1, 2009	EF1	0.4 mi	35 yd
Jun 1, 2005	F0	4 mi	30 yd
Jun 1, 2005	F0	4 mi	30 yd
Jun 1, 2005	F0	10 mi	20 yd
Jun 26, 2001	F0	0.5 mi	50 yd
Jun 26, 2001	F1	0.7 mi	400 yd
Jul 24, 1997	F0	0.1 mi	50 yd
Jun 13, 1997	F0	0.1 mi	30 yd
Jun 13, 1997	F0	0.1 mi	30 yd

Deadliest: Jun 26, 1959, F2, 1 killed.

Nearby counties

Washakie County, WY8 Sheridan County, WY10 Hot Springs County, WY6 Big Horn County, MT11 Carbon County, MT3 Johnson County, WY21 Park County, WY10 Yellowstone County, MT20

Questions

How many tornadoes has Big Horn County, Wyoming had?

32 tornadoes touched Big Horn County, Wyoming between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Big Horn County?

The strongest rating recorded was F3 on Aug 2, 1985, with a 0.2-mile path.

When is tornado season in Big Horn County?

Most of its tornadoes happened in June (20 of 32). 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).