National Weather ServiceOhioSevere Thunderstorm WarningArchive to October 1, 2026
Severe Thunderstorm Warnings in Ohio
The National Weather Service issued 572 severe thunderstorm warnings for Ohio in 2025 and 507 a year on average in 2008-2025; in 2021-2025 it had the 23rd most of any state. 2026 through September: 878, 81% above the average of 484 for those months in 2008-2025. Jefferson was covered most often (494 times since 2008).
How many severe thunderstorm warnings does Ohio get?
Every severe thunderstorm warning that covered part of Ohio. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 878 |
| 2025 | 572 |
| 2024 | 506 |
| 2023 | 455 |
| 2022 | 507 |
| 2021 | 350 |
| 2020 | 532 |
| 2019 | 666 |
| 2018 | 338 |
| 2017 | 501 |
| 2016 | 332 |
| 2015 | 391 |
| 2014 | 381 |
| 2013 | 543 |
| 2012 | 569 |
| 2011 | 852 |
| 2010 | 589 |
| 2009 | 392 |
| 2008 | 641 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Ohio get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Ohio?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Jefferson | 494 | 120 | September 13, 2026 |
| Columbiana | 449 | 112 | September 13, 2026 |
| Guernsey | 448 | 109 | September 17, 2026 |
| Tuscarawas | 448 | 103 | September 10, 2026 |
| Harrison | 440 | 107 | September 3, 2026 |
| Brown | 421 | 91 | September 4, 2026 |
| Carroll | 413 | 93 | September 13, 2026 |
| Clermont | 410 | 79 | August 12, 2026 |
| Highland | 406 | 90 | September 20, 2026 |
| Belmont | 404 | 99 | September 3, 2026 |
| Warren | 400 | 82 | September 21, 2026 |
| Franklin | 397 | 91 | September 10, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest severe thunderstorm warnings for Ohio in AreaZine's record
NWS CharlestonWarningSeptember 20, 2026
Severe Thunderstorm Warning: Meigs, OH
Expired 12:30 a.m. EDT, September 21, 2026
NWS WilmingtonWarningSeptember 20, 2026
Severe Thunderstorm Warning: Lewis and Scioto, KY and OH
Expired 5:15 p.m. EDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Severe Thunderstorm Warning: Adams, Highland, Pike and 1 more, OH
Expired 2:15 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 19, 2026
Severe Thunderstorm Warning: Athens, Meigs, Washington County and 5 more, OH and WV
Expired 7:15 p.m. EDT, September 19, 2026
NWS WilmingtonWarningSeptember 19, 2026
Severe Thunderstorm Warning: Fairfield, Hocking and Ross, OH
Expired 5:45 p.m. EDT, September 19, 2026
NWS WilmingtonWarningSeptember 17, 2026
Severe Thunderstorm Warning: Greene and Montgomery, OH
Expired 2:15 p.m. EDT, September 17, 2026
NWS ClevelandWarningSeptember 16, 2026
Severe Thunderstorm Warning: Holmes, OH
Expired 10:00 p.m. EDT, September 16, 2026
NWS PittsburghWarningSeptember 16, 2026
Severe Thunderstorm Warning: Coshocton, OH
Expired 9:45 p.m. EDT, September 16, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a severe thunderstorm warning?
A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Ohio.