Codington County, South Dakota tornadoes

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34confirmed tornadoes since NOAA records began in 1950 (the first here in 1951). Most recent: July 27, 2025, EF2. 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 Codington County

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The record

At a glance

Total341950 to 2025
Per year0.4average since 1950
Peak monthJune10 of 34
StrongestF3Jul 18, 1983
Deaths0whole paths, see note
Injuries6whole paths, see note

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

Seasons

When tornadoes hit here

By month

100 Jan: 0Feb: 1Mar: 0Apr: 1May: 9Jun: 10Jul: 10Aug: 2Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 10 of 34 tornadoes.

By time of day

60 12 AM: 0: 0: 03 AM: 2: 0: 06 AM: 0: 0: 09 AM: 0: 1: 012 PM: 1: 2: 63 PM: 2: 5: 46 PM: 5: 1: 29 PM: 1: 1: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

40 1950: 0: 1: 0: 0: 0: 0: 0: 1: 0: 01960: 0: 0: 1: 0: 0: 1: 0: 0: 2: 11970: 0: 0: 0: 1: 0: 0: 0: 2: 0: 11980: 0: 0: 0: 1: 2: 0: 1: 1: 0: 01990: 0: 1: 0: 0: 0: 0: 4: 2: 1: 02000: 1: 0: 0: 1: 0: 3: 0: 0: 0: 02010: 0: 0: 0: 0: 0: 0: 0: 0: 0: 12020: 0: 0: 1: 1: 0: 219501960197019801990200020102020

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
22
EF1
5
EF2
4
EF3
2
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

Strongest

F3, July 18, 1983

0.5 mile path Longest path

27 miles, F3

May 12, 1984, whole path Widest

1,320 yards, F3

May 12, 1984
Every tornado

All 34 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 27, 2025EF23.98 mi200 yd00
Feb 24, 2025EFU0.01 mi5 yd00
Jun 6, 2023EF00.01 mi10 yd00
May 12, 2022EF10.2 mi50 yd00
Sep 9, 2019EF02.58 mi20 yd00
Jun 13, 2005F0n/a10 yd00
Jun 13, 2005F0n/a10 yd00
Jun 13, 2005F00.1 mi20 yd00
Jun 24, 2003F00.5 mi25 yd00
Jul 25, 2000F00.1 mi10 yd00
Jun 14, 1998F00.5 mi30 yd00
Aug 27, 1997F00.1 mi10 yd00
Jul 27, 1997F00.2 mi13 yd00
Jul 17, 1996F00.3 mi10 yd00
Jul 17, 1996F00.3 mi10 yd00
May 17, 1996F00.3 mi10 yd00
May 17, 1996F00.3 mi10 yd00
Jun 19, 1991F00.2 mi23 yd00
Jun 21, 1987F00.2 mi30 yd00
Jul 29, 1986F15.9 mi100 yd00
May 12, 1984F00.1 mi10 yd00
May 12, 1984F327 mi1,320 yd00
Jul 18, 1983F30.5 mi100 yd00
Jun 19, 1979F20.1 mi10 yd00
May 21, 1977F00.1 mi10 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jun 9, 2026HenryNot 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.