McClain County, Oklahoma tornadoes

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84confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: June 6, 2025, EF0. 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 McClain County

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The record

At a glance

Total841950 to 2025
Per year1.1average since 1950
Peak monthMay33 of 84
StrongestF5May 3, 1999
Deaths67whole paths, see note
Injuries963whole paths, see note

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

Seasons

When tornadoes hit here

By month

330 Jan: 0Feb: 2Mar: 6Apr: 20May: 33Jun: 8Jul: 0Aug: 2Sep: 3Oct: 3Nov: 4Dec: 3JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 33 of 84 tornadoes.

By time of day

170 12 AM: 0: 1: 13 AM: 3: 1: 26 AM: 0: 1: 09 AM: 1: 0: 012 PM: 0: 6: 23 PM: 0: 17: 116 PM: 13: 10: 79 PM: 6: 1: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

110 1950: 0: 0: 0: 2: 0: 0: 1: 1: 0: 11960: 1: 1: 1: 0: 1: 2: 0: 0: 0: 01970: 0: 0: 1: 1: 0: 0: 0: 1: 0: 11980: 0: 1: 2: 0: 2: 1: 0: 0: 0: 01990: 2: 1: 1: 2: 0: 0: 3: 2: 3: 32000: 0: 0: 0: 1: 0: 0: 0: 0: 1: 12010: 2: 7: 1: 1: 0: 6: 0: 1: 2: 22020: 0: 0: 1: 11: 5: 419501960197019801990200020102020

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
32
EF1
33
EF2
13
EF3
2
EF4
2
EF5
2

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

F5, May 3, 1999

36 deaths, 583 injuries Strongest

F5, May 3, 1999

37 mile path Longest path

37 miles, F5

May 3, 1999, whole path Widest

1,900 yards, EF5

May 20, 2013
Every tornado

All 84 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 6, 2025EF02.3 mi50 yd00
Jun 6, 2025EF01.3 mi100 yd00
Jun 6, 2025EF01.5 mi30 yd00
Jun 3, 2025EF12.8 mi125 yd00
Nov 3, 2024EF17 mi200 yd00
Apr 27, 2024EF24.9 mi125 yd00
Apr 27, 2024EF01.67 mi40 yd00
Apr 27, 2024EF10.5 mi40 yd00
Apr 27, 2024EF14.4 mi225 yd00
May 11, 2023EF19.4 mi250 yd00
May 11, 2023EF00.4 mi30 yd00
May 11, 2023EF02.1 mi30 yd00
May 11, 2023EF00.36 mi30 yd00
Apr 19, 2023EF10.8 mi50 yd00
Apr 19, 2023EF17.5 mi700 yd00
Apr 19, 2023EF12.2 mi400 yd00
Apr 19, 2023EF11.2 mi250 yd00
Apr 19, 2023EF310.9 mi1,200 yd12
Apr 19, 2023EF12.93 mi200 yd00
Feb 26, 2023EF226.12 mi900 yd012
Dec 13, 2022EF24.9 mi300 yd00
Jun 16, 2019EF00.2 mi20 yd00
May 21, 2019EF13.75 mi250 yd00
May 19, 2018EF07 mi50 yd00
May 2, 2018EF14.7 mi40 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jan 8, 20261 N PurcellNot 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.