Tripp County, South Dakota tornadoes

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38confirmed tornadoes since NOAA records began in 1950 (the first here in 1957). Most recent: August 4, 2020, EF0. 2026 so far: 2 preliminary reports 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 Tripp County

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The record

At a glance

Total381950 to 2025
Per year0.5average since 1950
Peak monthJune12 of 38
StrongestF5May 8, 1965
Deaths0whole paths, see note
Injuries1whole paths, see note

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

Seasons

When tornadoes hit here

By month

120 Jan: 0Feb: 0Mar: 0Apr: 2May: 6Jun: 12Jul: 11Aug: 6Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 12 of 38 tornadoes.

By time of day

70 12 AM: 4: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 2: 1: 23 PM: 3: 1: 76 PM: 6: 3: 59 PM: 2: 2: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 0: 0: 0: 2: 0: 01960: 0: 0: 1: 0: 0: 2: 0: 1: 3: 31970: 1: 0: 1: 1: 1: 0: 0: 0: 0: 21980: 0: 0: 1: 0: 0: 1: 0: 0: 0: 01990: 0: 0: 0: 2: 0: 0: 0: 0: 1: 32000: 1: 2: 0: 1: 0: 0: 0: 0: 1: 22010: 1: 0: 0: 0: 0: 0: 1: 0: 1: 02020: 2: 0: 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: 2 preliminary reports.

By rating

EF0
18
EF1
14
EF2
5
EF5
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

F5, May 8, 1965

30.1 mile path Longest path

30.1 miles, F5

May 8, 1965, whole path Widest

1,760 yards, F5

May 8, 1965
Every tornado

All 38 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 4, 2020EF00.02 mi10 yd00
Aug 4, 2020EF00.02 mi10 yd00
Jul 18, 2018EF10.21 mi20 yd00
May 22, 2016EF10.68 mi20 yd00
May 22, 2010EF22.85 mi150 yd00
Jul 9, 2009EF10.2 mi100 yd00
Jul 9, 2009EF11.28 mi300 yd00
Jul 28, 2008EF00.02 mi30 yd00
Jun 9, 2003F110.2 mi10 yd00
Jun 6, 2001F10.5 mi50 yd00
Jun 6, 2001F00.5 mi50 yd00
Jul 24, 2000F00.5 mi10 yd00
Jun 5, 1999F00.1 mi10 yd00
May 9, 1999F01 mi10 yd00
May 9, 1999F00.1 min/a00
Jul 8, 1998F00.1 mi30 yd00
Jun 29, 1993F25 mi100 yd00
Jun 29, 1993F120 mi73 yd00
Apr 19, 1985F10.1 mi10 yd00
Aug 21, 1982F00.1 mi10 yd00
Jul 13, 1979F00.1 mi10 yd00
Jul 13, 1979F00.1 mi10 yd00
Jun 20, 1974F00.1 mi10 yd00
Jul 4, 1973F10.5 mi83 yd00
Jul 16, 1972F00.1 mi10 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jun 3, 20266 SW HamillNot yet rated
Jun 3, 20265 WNW IdealNot 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.