Alert archive / Ohio / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Ohio, September 2026
144 severe thunderstorm warnings in September 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 144
- Busiest day
- September 3, 202639 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 7:03 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 57 min |
| Sep 2, 7:52 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 53 min |
| Sep 2, 4:17 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 43 min |
| Sep 2, 4:35 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Trumbull | 27 min |
| Sep 2, 5:55 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Trumbull | 33 min |
| Sep 3, 1:34 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Lake | 41 min |
| Sep 3, 2:01 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 44 min |
| Sep 3, 5:31 AM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 59 min |
| Sep 3, 2:51 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lake | 39 min |
| Sep 3, 2:52 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 23 min |
| Sep 3, 2:54 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 51 min |
| Sep 3, 3:02 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Stark, Summit | 43 min |
| Sep 3, 3:11 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lorain, Medina, Portage, Summit | 49 min |
| Sep 3, 3:11 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 49 min |
| Sep 3, 3:12 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 33 min |
| Sep 3, 3:17 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Trumbull | 43 min |
| Sep 3, 3:40 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Stark, Summit | 65 min |
| Sep 3, 3:40 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 50 min |
| Sep 3, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum | 43 min |
| Sep 3, 3:51 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Mahoning, Portage, Trumbull | 54 min |
| Sep 3, 4:02 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 12 min |
| Sep 3, 4:08 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 97 min |
| Sep 3, 4:11 PM EDT | Severe Thunderstorm Warning | IWX | Fulton | 19 min |
| Sep 3, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 49 min |
| Sep 3, 4:32 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 25 min |
| Sep 3, 4:34 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Henry | 26 min |
| Sep 3, 4:41 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Ottawa, Sandusky, Seneca, Wood | 79 min |
| Sep 3, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 43 min |
| Sep 3, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 53 min |
| Sep 3, 5:19 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 41 min |
| Sep 3, 5:25 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison, Jefferson | 50 min |
| Sep 3, 5:29 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron, Lorain | 76 min |
| Sep 3, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 46 min |
| Sep 3, 5:48 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lake | 59 min |
| Sep 3, 5:55 PM EDT | Severe Thunderstorm Warning | IWX | Henry, Putnam | 35 min |
| Sep 3, 5:57 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 48 min |
| Sep 3, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Huron, Sandusky, Seneca, Wood and 1 more | 77 min |
| Sep 3, 6:11 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Huron, Lorain, Medina, Richland, Wayne | 66 min |
| Sep 3, 6:17 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit, Wayne | 60 min |
| Sep 3, 6:20 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 70 min |
| Sep 3, 6:26 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 28 min |
| Sep 3, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Morrow, Wyandot | 54 min |
| Sep 3, 6:45 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Mahoning, Stark, Wayne | 58 min |
| Sep 3, 7:54 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Carroll, Harrison, Jefferson, Tuscarawas | 51 min |
| Sep 3, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan, Union | 31 min |
| Sep 4, 8:27 AM EDT | Severe Thunderstorm Warning | CLE | Erie, Ottawa, Sandusky | 48 min |
| Sep 4, 12:58 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Washington | 47 min |
| Sep 4, 1:04 PM EDT | Severe Thunderstorm Warning | PBZ | Noble | 41 min |
| Sep 4, 1:07 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 38 min |
| Sep 4, 1:10 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Meigs, Vinton | 50 min |
| Sep 4, 1:32 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 43 min |
| Sep 4, 1:34 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Licking | 31 min |
| Sep 4, 1:41 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs | 49 min |
| Sep 4, 1:50 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 40 min |
| Sep 4, 1:59 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 61 min |
| Sep 4, 2:06 PM EDT | Severe Thunderstorm Warning | RLX | Meigs | 54 min |
| Sep 4, 2:22 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Lawrence | 23 min |
| Sep 4, 2:41 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Shelby | 49 min |
| Sep 4, 3:00 PM EDT | Severe Thunderstorm Warning | ILN | Darke | 30 min |
| Sep 4, 3:07 PM EDT | Severe Thunderstorm Warning | RLX | Gallia | 53 min |
| Sep 4, 3:13 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Greene, Miami, Montgomery | 47 min |
| Sep 4, 3:17 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Montgomery, Preble | 43 min |
| Sep 4, 3:42 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 33 min |
| Sep 4, 3:52 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Greene, Montgomery | 38 min |
| Sep 4, 4:06 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Montgomery, Warren | 28 min |
| Sep 4, 4:19 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Greene | 41 min |
| Sep 4, 4:27 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Preble | 48 min |
| Sep 4, 4:28 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Lawrence | 47 min |
| Sep 4, 4:40 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clinton, Highland | 50 min |
| Sep 4, 4:45 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 45 min |
| Sep 4, 4:58 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Highland, Ross | 32 min |
| Sep 4, 5:12 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 18 min |
| Sep 4, 5:19 PM EDT | Severe Thunderstorm Warning | ILN | Highland, Pike, Ross | 26 min |
| Sep 4, 5:33 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 17 min |
| Sep 5, 1:08 AM EDT | Severe Thunderstorm Warning | IWX | Williams | 52 min |
| Sep 5, 1:50 AM EDT | Severe Thunderstorm Warning | IWX | Williams | 25 min |
| Sep 5, 2:39 AM EDT | Severe Thunderstorm Warning | IWX | Defiance, Henry, Paulding, Putnam | 50 min |
| Sep 5, 3:13 AM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wyandot | 62 min |
| Sep 5, 3:26 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin | 49 min |
| Sep 5, 3:28 AM EDT | Severe Thunderstorm Warning | IWX | Allen | 14 min |
| Sep 5, 3:49 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Morrow, Wyandot | 36 min |
| Sep 5, 6:17 AM EDT | Severe Thunderstorm Warning | IWX | Paulding, Van Wert | 28 min |
| Sep 5, 6:24 AM EDT | Severe Thunderstorm Warning | ILN | Hocking | 26 min |
| Sep 5, 6:29 AM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 31 min |
| Sep 5, 6:47 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton, Washington | 28 min |
| Sep 5, 7:12 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Meigs, Vinton | 33 min |
| Sep 9, 3:50 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron, Lorain | 40 min |
| Sep 9, 4:28 PM EDT | Severe Thunderstorm Warning | CLE | Lorain, Medina | 47 min |
| Sep 9, 6:00 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Stark | 45 min |
| Sep 9, 6:03 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 42 min |
| Sep 9, 6:42 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 31 min |
| Sep 9, 8:08 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Tuscarawas | 52 min |
| Sep 9, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking | 31 min |
| Sep 9, 8:36 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Licking | 39 min |
| Sep 9, 8:46 PM EDT | Severe Thunderstorm Warning | ILN | Franklin, Licking | 44 min |
| Sep 9, 9:01 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 60 min |
| Sep 9, 9:13 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield | 47 min |
| Sep 9, 10:12 PM EDT | Severe Thunderstorm Warning | ILN | Pickaway, Ross | 21 min |
| Sep 9, 10:48 PM EDT | Severe Thunderstorm Warning | ILN | Hocking | 27 min |
| Sep 9, 10:49 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry, Vinton | 41 min |
| Sep 9, 11:19 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton | 26 min |
| Sep 13, 4:01 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 44 min |
| Sep 13, 4:13 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 47 min |
| Sep 13, 4:37 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Trumbull | 38 min |
| Sep 13, 5:10 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 28 min |
| Sep 13, 6:26 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 34 min |
| Sep 13, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Noble | 47 min |
| Sep 13, 6:43 PM EDT | Severe Thunderstorm Warning | RLX | Morgan | 18 min |
| Sep 13, 6:52 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry | 38 min |
| Sep 13, 7:13 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Washington | 32 min |
| Sep 13, 7:48 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 27 min |
| Sep 16, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | Darke | 36 min |
| Sep 16, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 45 min |
| Sep 16, 5:11 PM EDT | Severe Thunderstorm Warning | ILN | Miami, Shelby | 49 min |
| Sep 16, 5:29 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Montgomery, Preble | 46 min |
| Sep 16, 5:36 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark | 39 min |
| Sep 16, 7:38 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox, Richland, Wayne | 52 min |
| Sep 16, 8:14 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox, Richland | 46 min |
| Sep 16, 8:38 PM EDT | Severe Thunderstorm Warning | CLE | Knox | 52 min |
| Sep 16, 9:03 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 42 min |
| Sep 16, 9:13 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 47 min |
| Sep 16, 9:49 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 26 min |
| Sep 17, 12:07 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum | 38 min |
| Sep 17, 1:41 PM EDT | Severe Thunderstorm Warning | ILN | Greene, Montgomery | 34 min |
| Sep 19, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 22 min |
| Sep 19, 4:47 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Pickaway | 43 min |
| Sep 19, 5:06 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Meigs, Perry, Vinton | 69 min |
| Sep 19, 5:11 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Ross | 34 min |
| Sep 19, 5:41 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Morgan, Washington | 49 min |
| Sep 19, 6:27 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Washington | 48 min |
| Sep 19, 11:48 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton | 42 min |
| Sep 20, 12:18 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton, Washington | 42 min |
| Sep 20, 1:35 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Highland, Pike, Scioto | 40 min |
| Sep 20, 2:00 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 60 min |
| Sep 20, 2:08 AM EDT | Severe Thunderstorm Warning | ILN | Pike, Ross, Scioto | 37 min |
| Sep 20, 4:07 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 23 min |
| Sep 20, 4:49 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 26 min |
| Sep 20, 7:08 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Preble | 41 min |
| Sep 20, 8:06 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Greene, Montgomery, Warren | 39 min |
| Sep 20, 8:19 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Warren | 41 min |
| Sep 20, 8:37 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Greene, Madison | 38 min |
| Sep 20, 10:17 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Pickaway, Ross | 43 min |
| Sep 20, 11:13 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 32 min |
| Sep 20, 11:54 PM EDT | Severe Thunderstorm Warning | RLX | Meigs | 36 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Athens County16
- Meigs County15
- Washington County13
- Vinton County11
- Ashtabula County10
- Trumbull County9
- Columbiana County9
- Montgomery County8
- Portage County7
- Gallia County7
- Ross County7
- Geauga County6
- Mahoning County6
- Jefferson County6
- Morgan County6
- Darke County6
- Greene County6
- Clinton County6
- Stark County5
- Lorain County5
- Carroll County5
- Jackson County5
- Licking County5
- Preble County5
- Hocking County5
- Fairfield County5
- Perry County5
- Summit County4
- Erie County4
- Huron County4
- Wyandot County4
- Wayne County4
- Holmes County4
- Miami County4
- Butler County4
- Highland County4
- Scioto County4
- Lake County3
- Cuyahoga County3
- Medina County3
45 more counties
- Coshocton County3
- Muskingum County3
- Wood County3
- Henry County3
- Sandusky County3
- Crawford County3
- Ashland County3
- Richland County3
- Lawrence County3
- Clark County3
- Warren County3
- Fayette County3
- Pike County3
- Franklin County3
- Pickaway County3
- Knox County3
- Guernsey County2
- Fulton County2
- Ottawa County2
- Seneca County2
- Harrison County2
- Putnam County2
- Hancock County2
- Hardin County2
- Marion County2
- Morrow County2
- Tuscarawas County2
- Champaign County2
- Noble County2
- Delaware County2
- Shelby County2
- Hamilton County2
- Williams County2
- Paulding County2
- Van Wert County2
- Adams County2
- Lucas County1
- Belmont County1
- Logan County1
- Union County1
- Brown County1
- Defiance County1
- Auglaize County1
- Allen County1
- Madison County1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.