Brown County tornado history

80 tornadoes touched Brown County, South Dakota between 1950 and 2025 — about 1.1 a year. The strongest was rated F4 (Jun 23, 2002). Tornadoes here killed 3 and injured 35 people.

80tornadoes since 1950

F4strongest rating

3killed · 35 injured

156.3 milongest path · 1961

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

By rating

(E)F055

(E)F111

(E)F27

(E)F36

(E)F41

(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
Jun 23, 2002	F4	9 mi	900 yd	0	0
Jun 21, 1961	F3	156.3 mi	10 yd	7	1
Jul 1, 1973	F3	0.3 mi	30 yd	3	1
May 31, 1996	F3	32 mi	400 yd	1	0
Jun 23, 2002	F3	10 mi	900 yd	0	0
May 20, 1965	F3	3.8 mi	400 yd	0	0
Jun 25, 1969	F3	1.5 mi	133 yd	6	0
Jul 31, 1966	F2	2.3 mi	253 yd	3	1
Jun 28, 1961	F2	49.7 mi	10 yd	0	0
May 22, 2010	EF2	18.6 mi	200 yd	0	0
Jun 28, 1955	F2	5.4 mi	50 yd	0	0
Apr 19, 1955	F2	4.6 mi	50 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jul 13, 2025	EF0	0.1 mi	10 yd
May 7, 2022	EF0	—	10 yd
May 7, 2022	EF0	—	10 yd
May 7, 2022	EF0	—	10 yd
Jun 7, 2020	EF0	5.3 mi	50 yd
Jun 13, 2017	EF0	0.1 mi	10 yd
Jun 1, 2012	EF0	0.5 mi	10 yd
May 22, 2010	EF2	18.6 mi	200 yd
May 22, 2010	EF2	1.3 mi	100 yd
Aug 14, 2008	EF0	0.1 mi	10 yd
Jul 15, 2007	EF0	0.1 mi	10 yd
Jun 26, 2005	F0	0.2 mi	10 yd

Deadliest: Jun 21, 1961, F3, 1 killed.

Nearby counties

Dickey County, ND35 Marshall County, SD23 Day County, SD33 Edmunds County, SD31 McPherson County, SD27 Spink County, SD48 Sargent County, ND26 Faulk County, SD22

Questions

How many tornadoes has Brown County, South Dakota had?

80 tornadoes touched Brown County, South Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 1.1 per year.

What was the strongest tornado in Brown County?

The strongest rating recorded was F4 on Jun 23, 2002, with a 9-mile path.

When is tornado season in Brown County?

Most of its tornadoes happened in June (39 of 80). 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).