Corson County tornado history

23 tornadoes touched Corson County, South Dakota between 1950 and 2025 — about 0.3 a year. The strongest was rated F2 (May 29, 1953).

23tornadoes since 1950
F2strongest rating
0killed · 4 injured
7.2 milongest path · 1955
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F021
(E)F10
(E)F21
(E)F30
(E)F40
(E)F50
unrated1

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
May 29, 1953F20.5 mi33 yd20
Apr 19, 1955F07.2 mi50 yd20
Apr 19, 1955F03.8 mi50 yd00
Jun 8, 1999F02 mi20 yd00
Jun 10, 1977F00.5 mi10 yd00
Jun 11, 1990F00.3 mi20 yd00
Aug 10, 2007EF00.3 mi20 yd00
Aug 10, 2007EF00.2 mi10 yd00
Aug 14, 2011EF00.2 mi10 yd00
Aug 14, 2011EF00.2 mi10 yd00
Jun 8, 2021EF00.2 mi10 yd00
May 8, 1965F00.1 mi10 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Sep 14, 2025unrated—1 yd00
Jun 8, 2021EF00.2 mi10 yd00
Aug 14, 2011EF00.2 mi10 yd00
Aug 14, 2011EF00.2 mi10 yd00
Aug 10, 2007EF00.3 mi20 yd00
Aug 10, 2007EF00.2 mi10 yd00
Jun 8, 1999F02 mi20 yd00
Aug 17, 1995F00.1 mi10 yd00
Jun 11, 1990F00.3 mi20 yd00
Jun 27, 1984F00.1 mi10 yd00
Jun 27, 1984F00.1 mi10 yd00
Jun 21, 1983F00.1 mi10 yd00

Nearby counties

Sioux County, ND17Dewey County, SD28Grant County, ND27Ziebach County, SD24Campbell County, SD16Walworth County, SD30Emmons County, ND40Perkins County, SD36

Questions

How many tornadoes has Corson County, South Dakota had?

23 tornadoes touched Corson County, South Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Corson County?

The strongest rating recorded was F2 on May 29, 1953, with a 0.5-mile path.

When is tornado season in Corson County?

Most of its tornadoes happened in June (9 of 23). 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).