Ohio tornadoes

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1,402 confirmed tornadoes since 1950. Most recent: August 13, 2025, EF1. 2026 so far: 44 preliminary reports preliminary

Counties with the most tornadoes

CountyTornadoes since 1950Per 1,000 sq mi
Franklin County4177
Van Wert County4098
Huron County3877
Clinton County3688
Miami County3689
Lorain County3571
Warren County3587
Clark County3486
Darke County3355
Medina County3174
Richland County3061
Licking County2942
Mercer County2963
Pickaway County2958
Putnam County2858

When tornadoes hit here

By month

2930 Jan: 9Feb: 34Mar: 97Apr: 189May: 249Jun: 293Jul: 209Aug: 136Sep: 65Oct: 54Nov: 60Dec: 7JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 293 of 1402 tornadoes.

By time of day

1850 12 AM: 16: 10: 93 AM: 10: 17: 126 AM: 11: 7: 89 AM: 22: 18: 3312 PM: 69: 80: 1273 PM: 156: 185: 1726 PM: 144: 80: 579 PM: 64: 58: 3712 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

740 1950: 3: 3: 2: 3: 13: 6: 9: 4: 12: 101960: 7: 19: 4: 19: 9: 32: 3: 6: 14: 171970: 23: 15: 10: 43: 23: 12: 10: 22: 18: 41980: 35: 25: 10: 9: 2: 20: 23: 6: 0: 171990: 24: 8: 61: 24: 9: 8: 10: 15: 24: 182000: 25: 8: 24: 13: 8: 4: 36: 12: 13: 132010: 40: 39: 13: 31: 20: 7: 24: 42: 18: 492020: 20: 31: 27: 60: 74: 2819501960197019801990200020102020

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: 44 preliminary reports.

By rating

EF0
520
EF1
579
EF2
222
EF3
51
EF4
19
EF5
4
Unknown
7

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, April 3, 1974

36 deaths Longest path

118 miles, F4

June 8, 1953

Most recent tornadoes

DateRatingPath lengthWidthDeathsInjuries
Aug 13, 2025EF10.32 mi50 yd00
Aug 12, 2025EF00.24 mi75 yd00
Jul 28, 2025EF00.73 mi25 yd00
Jul 19, 2025EF12.8 mi175 yd00
Jul 19, 2025EF00.9 mi50 yd00
Jul 19, 2025EF01.08 mi50 yd00
Jul 7, 2025EF01.31 mi40 yd00
Jun 18, 2025EF19.26 mi200 yd00
Jun 18, 2025EF02.93 mi10 yd00
Jun 18, 2025EF00.54 mi10 yd00
Jun 9, 2025EF11.32 mi80 yd00
Jun 5, 2025EF00.15 mi25 yd00
Apr 25, 2025EF00.08 mi25 yd00
Apr 2, 2025EF09.08 mi350 yd00
Apr 2, 2025EF02.7 mi100 yd00
Apr 2, 2025EF07.88 mi250 yd00
Apr 2, 2025EF08.51 mi200 yd00
Apr 2, 2025EF02.98 mi200 yd00
Apr 2, 2025EF011 mi300 yd00
Apr 2, 2025EF00.72 mi15 yd00

Every Ohio 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.