Dewey County tornado history

28 tornadoes touched Dewey County, South Dakota between 1950 and 2025 — about 0.4 a year. The strongest was rated F2 (Jun 2, 1953).

28tornadoes since 1950

F2strongest rating

0killed · 1 injured

5.9 milongest path · 1953

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

By rating

(E)F022

(E)F12

(E)F24

(E)F30

(E)F40

(E)F50

JFMAMJJASOND

Peak month: June.

’50’60’70’80’90’00’10’20

Date	Rating	Path	Width	Injured
Jun 2, 1953	F2	5.9 mi	10 yd	0
Jun 8, 1964	F2	3.8 mi	10 yd	1
Jun 16, 2010	EF2	0.4 mi	50 yd	0
Apr 19, 1955	F2	0.1 mi	30 yd	0
Sep 24, 1986	F1	0.3 mi	40 yd	0
May 18, 1977	F1	0.1 mi	10 yd	0
May 24, 2008	EF0	2.6 mi	400 yd	0
Jun 26, 2008	EF0	1.2 mi	100 yd	0
Jun 24, 2006	F0	0.5 mi	10 yd	0
Jun 1, 1990	F0	0.3 mi	20 yd	0
May 31, 1996	F0	0.3 mi	10 yd	0
Aug 2, 1997	F0	0.3 mi	30 yd	0

Date	Rating	Path	Width
Jun 21, 2014	EF0	0.3 mi	20 yd
Jun 16, 2010	EF2	0.4 mi	50 yd
Jun 26, 2008	EF0	1.2 mi	100 yd
Jun 26, 2008	EF0	0.3 mi	50 yd
Jun 26, 2008	EF0	0.2 mi	50 yd
May 24, 2008	EF0	0.1 mi	20 yd
May 24, 2008	EF0	0.1 mi	20 yd
May 24, 2008	EF0	0.1 mi	20 yd
May 24, 2008	EF0	2.6 mi	400 yd
Jun 24, 2006	F0	0.5 mi	10 yd
Aug 2, 1997	F0	0.3 mi	30 yd
Jun 24, 1997	F0	0.1 mi	10 yd

How many tornadoes has Dewey County, South Dakota had?

28 tornadoes touched Dewey County, South Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Dewey County?

The strongest rating recorded was F2 on Jun 2, 1953, with a 5.9-mile path.

When is tornado season in Dewey County?

Most of its tornadoes happened in June (13 of 28). 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).