Mellette County tornado history

11 tornadoes touched Mellette County, South Dakota between 1950 and 2025 — about 0.1 a year. The strongest was rated F2 (Jun 4, 1971).

11tornadoes since 1950
F2strongest rating
0killed · 0 injured
1.5 milongest path · 1986
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F08
(E)F12
(E)F21
(E)F30
(E)F40
(E)F50

By month

JFMAMJJASOND

Peak month: July.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Jun 4, 1971F20.3 mi50 yd00
Jul 4, 1973F10.5 mi83 yd00
May 19, 1974F10.1 mi10 yd00
Sep 24, 1986F01.5 mi60 yd00
Jul 24, 2000F01 mi100 yd00
Jul 15, 2000F00.5 mi10 yd00
May 9, 1999F00.2 mi—00
Jul 10, 1969F00.1 mi10 yd00
Jul 10, 1987F00.1 mi20 yd00
Jun 11, 1997F00.1 mi10 yd00
Jul 1, 1998F00.1 mi30 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jul 24, 2000F01 mi100 yd00
Jul 15, 2000F00.5 mi10 yd00
May 9, 1999F00.2 mi—00
Jul 1, 1998F00.1 mi30 yd00
Jun 11, 1997F00.1 mi10 yd00
Jul 10, 1987F00.1 mi20 yd00
Sep 24, 1986F01.5 mi60 yd00
May 19, 1974F10.1 mi10 yd00
Jul 4, 1973F10.5 mi83 yd00
Jun 4, 1971F20.3 mi50 yd00
Jul 10, 1969F00.1 mi10 yd00

Nearby counties

Jones County, SD8Todd County, SD40Jackson County, SD20Tripp County, SD38Lyman County, SD40Bennett County, SD32Stanley County, SD23Haakon County, SD30

Questions

How many tornadoes has Mellette County, South Dakota had?

11 tornadoes touched Mellette County, South Dakota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.1 per year.

What was the strongest tornado in Mellette County?

The strongest rating recorded was F2 on Jun 4, 1971, with a 0.3-mile path.

When is tornado season in Mellette County?

Most of its tornadoes happened in July (6 of 11). 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).