Oklahoma tornadoes

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4,515 confirmed tornadoes since 1950. Most recent: November 24, 2025, EF0. 2026 so far: 50 preliminary reports preliminary

Counties with the most tornadoes

CountyTornadoes since 1950Per 1,000 sq mi
Oklahoma County137193
Caddo County132103
Osage County11451
Canadian County111124
Cleveland County110204
Kay County102111
Tulsa County100175
Grady County9586
Kiowa County9594
Lincoln County95100
Pottawatomie County91116
Tillman County91104
Mayes County90137
Pittsburg County8867
McClain County84147

When tornadoes hit here

By month

18550 Jan: 30Feb: 64Mar: 301Apr: 946May: 1855Jun: 580Jul: 124Aug: 98Sep: 126Oct: 197Nov: 156Dec: 38JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 1855 of 4515 tornadoes.

By time of day

6620 12 AM: 85: 65: 533 AM: 54: 54: 426 AM: 43: 27: 339 AM: 20: 33: 3912 PM: 65: 131: 1973 PM: 341: 477: 5996 PM: 662: 525: 3339 PM: 298: 176: 16312 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

1520 1950: 23: 43: 22: 53: 53: 77: 49: 107: 42: 701960: 98: 81: 67: 30: 53: 74: 36: 49: 55: 311970: 50: 39: 30: 75: 45: 34: 28: 54: 21: 511980: 25: 76: 100: 91: 50: 36: 47: 23: 17: 201990: 30: 73: 64: 64: 41: 79: 49: 57: 84: 1422000: 44: 61: 18: 78: 62: 27: 27: 53: 78: 342010: 104: 119: 63: 82: 16: 112: 58: 85: 43: 1492020: 39: 63: 58: 76: 152: 10619501960197019801990200020102020

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: 50 preliminary reports.

By rating

EF0
1788
EF1
1540
EF2
733
EF3
211
EF4
61
EF5
8
Unknown
174

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.

Notable tornadoes

Deadliest

F5, May 25, 1955

80 deaths Longest path

170.5 miles, F2

April 29, 1970

Most recent tornadoes

DateRatingPath lengthWidthDeathsInjuries
Nov 24, 2025EF00.1 mi20 yd00
Nov 20, 2025EF00.4 mi40 yd00
Sep 8, 2025EFU0.1 mi20 yd00
Aug 28, 2025EF00.1 mi10 yd00
Jul 12, 2025EF00.1 mi10 yd00
Jul 12, 2025EF00.2 mi20 yd00
Jun 18, 2025EFU1 mi20 yd00
Jun 18, 2025EF18.8 mi750 yd00
Jun 18, 2025EF17.7 mi1,000 yd00
Jun 17, 2025EF13.7 mi700 yd00
Jun 17, 2025EF16.9 mi600 yd00
Jun 17, 2025EF11.8 mi700 yd00
Jun 17, 2025EF18.2 mi750 yd00
Jun 17, 2025EF14.3 mi350 yd00
Jun 17, 2025EFU1 mi30 yd00
Jun 17, 2025EFU2 mi30 yd00
Jun 17, 2025EF02.2 mi40 yd00
Jun 17, 2025EFU0.1 mi30 yd00
Jun 17, 2025EF11.8 mi50 yd00
Jun 17, 2025EF214.3 mi1,200 yd00

Every Oklahoma county

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025. A tornado that crossed a state line counts in each state it touched.