Sully County tornado history

22 tornadoes touched Sully County, South Dakota between 1950 and 2025 — about 0.3 a year. The strongest was rated F2 (Oct 1, 1971).

22tornadoes since 1950
F2strongest rating
0killed · 1 injured
5 milongest path · 2006
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F017
(E)F14
(E)F21
(E)F30
(E)F40
(E)F50

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Oct 1, 1971F20.5 mi300 yd00
Aug 24, 2006F15 mi600 yd00
Jul 16, 1982F10.3 mi30 yd00
May 8, 1965F10.1 mi10 yd00
Apr 27, 1974F10.1 mi20 yd10
Jun 10, 1976F01 mi10 yd00
Jun 24, 2006F00.5 mi10 yd00
Jun 11, 2003F00.4 mi25 yd00
Aug 11, 1987F00.2 mi10 yd00
Aug 29, 1993F00.2 mi20 yd00
Aug 29, 1993F00.2 mi20 yd00
Aug 29, 1993F00.2 mi20 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Oct 13, 2021EF00.2 mi10 yd00
Aug 24, 2006F15 mi600 yd00
Jun 24, 2006F00.5 mi10 yd00
Jun 11, 2003F00.4 mi25 yd00
Jul 22, 1999F00.2 mi10 yd00
Aug 29, 1993F00.2 mi20 yd00
Aug 29, 1993F00.2 mi20 yd00
Aug 29, 1993F00.2 mi20 yd00
Aug 11, 1987F00.2 mi10 yd00
Jul 16, 1982F10.3 mi30 yd00
Jun 6, 1980F00.1 mi10 yd00
Jun 6, 1978F00.1 mi10 yd00

Nearby counties

Potter County, SD19Hughes County, SD17Hyde County, SD15Stanley County, SD23Dewey County, SD28Walworth County, SD30Faulk County, SD22Hand County, SD43

Questions

How many tornadoes has Sully County, South Dakota had?

22 tornadoes touched Sully 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 Sully County?

The strongest rating recorded was F2 on Oct 1, 1971, with a 0.5-mile path.

When is tornado season in Sully County?

Most of its tornadoes happened in May (6 of 22). 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).