Turner County, South Dakota tornadoes

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47confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: August 28, 2021, EFU. 2026 so far: 1 preliminary report preliminary

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Map

Every tornado path in the county

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 Turner County

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The record

At a glance

Total471950 to 2025
Per year0.6average since 1950
Peak monthJune23 of 47
StrongestF4Jun 7, 1965
Deaths1whole paths, see note
Injuries0whole paths, see note

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

Seasons

When tornadoes hit here

By month

230 Jan: 0Feb: 0Mar: 0Apr: 5May: 8Jun: 23Jul: 6Aug: 3Sep: 1Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 23 of 47 tornadoes.

By time of day

90 12 AM: 1: 0: 13 AM: 0: 2: 06 AM: 0: 0: 09 AM: 1: 0: 112 PM: 0: 1: 03 PM: 2: 3: 86 PM: 7: 9: 59 PM: 3: 2: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 7:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

110 1950: 0: 0: 0: 0: 2: 0: 1: 0: 0: 01960: 0: 0: 0: 0: 1: 4: 1: 0: 0: 01970: 1: 2: 0: 1: 0: 0: 0: 0: 2: 21980: 0: 1: 0: 1: 0: 1: 2: 0: 0: 01990: 0: 0: 1: 0: 0: 0: 0: 1: 1: 02000: 0: 0: 0: 11: 7: 0: 0: 0: 0: 22010: 0: 0: 0: 0: 0: 1: 0: 0: 0: 02020: 0: 1: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 1 preliminary reports.

By rating

EF0
23
EF1
8
EF2
12
EF3
2
EF4
1
Unknown
1

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

Deadliest

F4, June 7, 1965

1 deaths, 0 injuries Strongest

F4, June 7, 1965

7.8 mile path Longest path

21.5 miles, F1

May 8, 1964, whole path Widest

647 yards, F4

June 7, 1965
Every tornado

All 47 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 28, 2021EFU0.45 mi40 yd00
Jul 5, 2015EF00.45 mi40 yd00
Jun 24, 2009EF00.06 mi50 yd00
Jun 24, 2009EF00.24 mi50 yd00
Jul 31, 2004F10.5 mi100 yd00
Jul 31, 2004F00.1 mi50 yd00
May 28, 2004F01 mi200 yd00
May 28, 2004F00.2 mi50 yd00
May 28, 2004F00.2 mi50 yd00
May 28, 2004F00.1 mi50 yd00
Apr 18, 2004F00.1 mi50 yd00
Jun 24, 2003F11.2 mi100 yd00
Jun 24, 2003F00.6 mi100 yd00
Jun 24, 2003F21.5 mi200 yd00
Jun 24, 2003F13.5 mi100 yd00
Jun 24, 2003F00.7 mi50 yd00
Jun 24, 2003F01 mi50 yd00
Jun 24, 2003F27.7 mi300 yd00
Jun 24, 2003F03.5 mi100 yd00
Jun 24, 2003F27 mi400 yd00
Jun 24, 2003F02 mi100 yd00
Jun 24, 2003F01 mi100 yd00
May 30, 1998F11 mi100 yd00
Sep 8, 1997F00.1 mi50 yd00
Aug 9, 1992F00.2 mi23 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
May 17, 20262 W DavisNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

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.