Grant County tornado history

23 tornadoes touched Grant County, South Dakota between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (May 17, 1996).

23tornadoes since 1950
F3strongest rating
0killed · 0 injured
18 milongest path · 1996
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F010
(E)F111
(E)F21
(E)F31
(E)F40
(E)F50

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
May 17, 1996F318 mi200 yd00
Aug 28, 1955F21.5 mi10 yd00
May 30, 2022EF110.7 mi40 yd00
May 23, 1973F16 mi100 yd00
May 30, 2022EF14.5 mi20 yd00
May 12, 2022EF11.3 mi10 yd00
May 16, 1962F11 mi10 yd00
Oct 26, 1996F11 mi75 yd00
May 12, 2022EF10.6 mi20 yd00
Aug 15, 1973F10.5 mi10 yd00
Aug 12, 2006F10.3 mi20 yd00
May 21, 1977F10.1 mi10 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
May 6, 2023EF00.8 mi10 yd00
May 30, 2022EF110.7 mi40 yd00
May 30, 2022EF14.5 mi20 yd00
May 12, 2022EF10.6 mi20 yd00
May 12, 2022EF11.3 mi10 yd00
Aug 12, 2006F10.3 mi20 yd00
Jun 23, 2003F00.1 mi25 yd00
Jun 26, 1998F00.4 mi30 yd00
Jun 26, 1998F00.2 mi30 yd00
Oct 26, 1996F11 mi75 yd00
Oct 26, 1996F00.5 mi25 yd00
Oct 26, 1996F00.5 mi25 yd00

Nearby counties

Big Stone County, MN14Codington County, SD34Deuel County, SD35Lac qui Parle County, MN16Roberts County, SD31Hamlin County, SD23Day County, SD33Traverse County, MN18

Questions

How many tornadoes has Grant County, South Dakota had?

23 tornadoes touched Grant 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 Grant County?

The strongest rating recorded was F3 on May 17, 1996, with a 18-mile path.

When is tornado season in Grant County?

Most of its tornadoes happened in May (10 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).