Pennington County, South Dakota tornadoes

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51confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: July 4, 2019, EF1. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Fromto

Tornado paths, 1950 to 2025

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Pennington County

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The record

At a glance

Total511950 to 2025

Per year0.7average since 1950

Peak monthJune16 of 51

StrongestF2Jul 23, 1966

Deaths0whole paths, see note

Injuries10whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Pennington County.

Seasons

When tornadoes hit here

By month

June is the peak month, with 16 of 51 tornadoes.

By time of day

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0

EF1

EF2

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

All 51 tornadoes, newest first

Tornadoes, newest first
Date	Rating	Path length	Width	Injuries
Jul 4, 2019	EF1	1.22 mi	200 yd	0
Jul 4, 2019	EF1	0.3 mi	200 yd	0
Jul 4, 2019	EF1	1.66 mi	250 yd	0
Jun 13, 2016	EF2	7.42 mi	200 yd	0
May 27, 2014	EF1	2.16 mi	300 yd	0
Aug 11, 2013	EF1	1.28 mi	30 yd	0
May 9, 2011	EF0	1.52 mi	30 yd	0
Jun 20, 2010	EF0	0.05 mi	20 yd	0
Jul 8, 2009	EF1	0.81 mi	50 yd	0
Jun 10, 2008	EF1	7.22 mi	400 yd	0
May 30, 1996	F0	0.1 mi	10 yd	0
May 30, 1996	F0	0.1 mi	10 yd	0
Jul 13, 1995	F0	0.1 mi	10 yd	0
Jun 7, 1994	F2	10 mi	800 yd	0
Jun 7, 1994	F0	1 mi	100 yd	0
Jun 7, 1994	F0	7 mi	10 yd	0
Apr 22, 1994	F0	0.1 mi	10 yd	0
Jun 22, 1993	F0	10 mi	30 yd	0
May 5, 1993	F0	0.1 mi	50 yd	0
Jul 7, 1992	F0	0.5 mi	13 yd	0
Jul 7, 1992	F0	0.5 mi	13 yd	0
May 11, 1991	F1	0.5 mi	50 yd	0
Aug 11, 1985	F0	0.1 mi	10 yd	0
Aug 11, 1985	F0	0.1 mi	10 yd	0
Aug 11, 1985	F0	0.1 mi	10 yd	0
May 28, 1985	F0	0.1 mi	10 yd	0
May 28, 1985	F0	0.1 mi	10 yd	0
Jul 8, 1984	F0	0.1 mi	10 yd	0
Aug 17, 1983	F1	0.2 mi	10 yd	0
Jul 5, 1982	F0	0.1 mi	10 yd	0
Jul 23, 1981	F0	0.1 mi	10 yd	0
Jul 23, 1981	F0	0.1 mi	10 yd	0
Jul 14, 1979	F0	0.1 mi	10 yd	0
Jun 24, 1979	F0	0.1 mi	10 yd	0
Jun 25, 1975	F0	0.1 mi	10 yd	0
Jun 25, 1975	F1	0.1 mi	10 yd	0
Jun 25, 1975	F0	0.1 mi	10 yd	0
Jun 25, 1975	F1	0.1 mi	10 yd	0
May 5, 1975	F1	27.4 mi	20 yd	0
Jun 20, 1968	F2	13.1 mi	100 yd	0
Sep 2, 1967	F0	0.1 mi	10 yd	0
Jun 18, 1967	F2	1 mi	150 yd	3
Jul 23, 1966	F2	3.8 mi	440 yd	5
Jul 12, 1965	F1	0.1 mi	10 yd	0
May 23, 1965	F0	0.1 mi	10 yd	0
May 23, 1965	F0	0.1 mi	10 yd	0
Jun 14, 1962	F1	0.1 mi	10 yd	2
Jul 14, 1957	F0	0.1 mi	10 yd	0
May 20, 1957	F1	0.1 mi	10 yd	0
Jun 15, 1956	F0	0.1 mi	10 yd	0
May 28, 1953	F0	20.6 mi	10 yd	0

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.