McClain County tornado history

84 tornadoes touched McClain County, Oklahoma between 1950 and 2025 — about 1.1 a year. The strongest was rated F5 (May 3, 1999). Tornadoes here killed 67 and injured 963 people.

84tornadoes since 1950

F5strongest rating

67killed · 963 injured

37 milongest path · 1999

(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F032

(E)F133

(E)F213

(E)F32

(E)F42

(E)F52

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
May 3, 1999	F5	37 mi	1,430 yd	583	36
May 20, 2013	EF5	13.8 mi	1,900 yd	212	24
May 24, 2011	EF4	33.3 mi	880 yd	48	1
May 24, 2011	EF4	23.1 mi	880 yd	61	0
Nov 19, 1973	F3	24.2 mi	500 yd	36	5
Apr 19, 2023	EF3	10.9 mi	1,200 yd	2	1
Mar 13, 1990	F2	28 mi	200 yd	1	0
Feb 26, 2023	EF2	26.1 mi	900 yd	12	0
Mar 13, 1990	F2	18 mi	150 yd	0	0
Dec 29, 1972	F2	14.5 mi	40 yd	0	0
Sep 2, 1992	F2	8 mi	400 yd	1	0
May 26, 1962	F2	6.8 mi	100 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width
Jun 6, 2025	EF0	1.5 mi	30 yd
Jun 6, 2025	EF0	1.3 mi	100 yd
Jun 6, 2025	EF0	2.3 mi	50 yd
Jun 3, 2025	EF1	2.8 mi	125 yd
Nov 3, 2024	EF1	7 mi	200 yd
Apr 27, 2024	EF1	4.4 mi	225 yd
Apr 27, 2024	EF1	0.5 mi	40 yd
Apr 27, 2024	EF0	1.7 mi	40 yd
Apr 27, 2024	EF2	4.9 mi	125 yd
May 11, 2023	EF0	0.4 mi	30 yd
May 11, 2023	EF0	2.1 mi	30 yd
May 11, 2023	EF0	0.4 mi	30 yd

Deadliest: May 3, 1999, F5, 36 killed.

Nearby counties

Cleveland County, OK110 Garvin County, OK68 Grady County, OK95 Pottawatomie County, OK91 Oklahoma County, OK136 Murray County, OK45 Stephens County, OK73 Canadian County, OK111

Questions

How many tornadoes has McClain County, Oklahoma had?

84 tornadoes touched McClain County, Oklahoma between 1950 and 2025 in the NOAA Storm Prediction Center database — about 1.1 per year.

What was the strongest tornado in McClain County?

The strongest rating recorded was F5 on May 3, 1999, with a 37-mile path and 36 deaths.

When is tornado season in McClain County?

Most of its tornadoes happened in May (33 of 84). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).