Yellowstone County tornado history

20 tornadoes touched Yellowstone County, Montana between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (Jun 16, 1965).

20tornadoes since 1950

F3strongest rating

0killed · 3 injured

20.6 milongest path · 1965

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

By rating

(E)F012

(E)F15

(E)F22

(E)F31

(E)F40

(E)F50

JFMAMJJASOND

Peak month: June.

’50’60’70’80’90’00’10’20

Date	Rating	Path	Width	Injured
Jun 16, 1965	F3	20.6 mi	10 yd	0
Jun 20, 2010	EF2	0.7 mi	120 yd	0
Jul 2, 1958	F2	0.5 mi	50 yd	2
Jul 6, 1955	F1	2 mi	50 yd	0
May 21, 2016	EF1	2 mi	150 yd	0
Aug 12, 1958	F1	0.5 mi	10 yd	1
May 24, 1990	F1	0.2 mi	10 yd	0
Jun 21, 1991	F1	0.2 mi	10 yd	0
Aug 11, 2005	F0	9 mi	50 yd	0
Jul 26, 2003	F0	2.5 mi	75 yd	0
Jun 2, 1971	F0	1 mi	50 yd	0
Jun 6, 2011	EF0	0.3 mi	50 yd	0

Date	Rating	Path	Width
May 21, 2016	EF1	2 mi	150 yd
Jun 6, 2011	EF0	—	50 yd
Jun 6, 2011	EF0	0.3 mi	50 yd
Jun 20, 2010	EF2	0.7 mi	120 yd
Aug 11, 2005	F0	9 mi	50 yd
Jul 26, 2003	F0	2.5 mi	75 yd
Jul 4, 1998	F0	0.1 mi	30 yd
Jul 20, 1997	F0	0.1 mi	10 yd
Jun 21, 1991	F1	0.2 mi	10 yd
Jun 19, 1991	F0	0.2 mi	10 yd
Jun 19, 1991	F0	0.2 mi	10 yd
May 24, 1990	F1	0.2 mi	10 yd

How many tornadoes has Yellowstone County, Montana had?

20 tornadoes touched Yellowstone County, Montana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Yellowstone County?

The strongest rating recorded was F3 on Jun 16, 1965, with a 20.6-mile path.

When is tornado season in Yellowstone County?

Most of its tornadoes happened in June (10 of 20). 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).