Alert archive / Ohio / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Ohio, March 2026
135 severe thunderstorm warnings in March 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 March 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 135
- Busiest day
- March 23, 202637 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 |
|---|---|---|---|---|
| Mar 7, 12:58 PM EST | Severe Thunderstorm Warning | ILN | Fairfield, Pickaway | 32 min |
| Mar 7, 1:14 PM EST | Severe Thunderstorm Warning | ILN | Fairfield, Licking | 46 min |
| Mar 7, 1:22 PM EST | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 38 min |
| Mar 7, 1:22 PM EST | Severe Thunderstorm Warning | RLX | Perry | 38 min |
| Mar 7, 1:38 PM EST | Severe Thunderstorm Warning | ILN | Licking | 18 min |
| Mar 7, 1:40 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 50 min |
| Mar 7, 1:47 PM EST | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 43 min |
| Mar 7, 1:53 PM EST | Severe Thunderstorm Warning | RLX | Perry | 24 min |
| Mar 7, 2:07 PM EST | Severe Thunderstorm Warning | PBZ | Muskingum | 23 min |
| Mar 7, 2:14 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton, Tuscarawas | 31 min |
| Mar 7, 2:28 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas | 47 min |
| Mar 7, 2:32 PM EST | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Noble | 43 min |
| Mar 7, 2:33 PM EST | Severe Thunderstorm Warning | PBZ | Columbiana | 42 min |
| Mar 7, 2:34 PM EST | Severe Thunderstorm Warning | RLX | Morgan, Perry | 26 min |
| Mar 7, 2:40 PM EST | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum, Noble | 35 min |
| Mar 7, 2:54 PM EST | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Harrison, Jefferson, Tuscarawas | 36 min |
| Mar 7, 3:17 PM EST | Severe Thunderstorm Warning | PBZ | Belmont | 43 min |
| Mar 7, 3:24 PM EST | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 51 min |
| Mar 11, 2:25 AM EDT | Severe Thunderstorm Warning | IWX | Williams | 25 min |
| Mar 11, 8:09 AM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 36 min |
| Mar 11, 8:40 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 35 min |
| Mar 11, 9:23 AM EDT | Severe Thunderstorm Warning | ILN | Darke, Mercer | 52 min |
| Mar 11, 9:26 AM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble, Shelby | 49 min |
| Mar 11, 9:42 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan, Shelby | 48 min |
| Mar 11, 9:46 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Van Wert | 44 min |
| Mar 11, 9:53 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Logan, Miami, Montgomery, Shelby | 52 min |
| Mar 11, 10:19 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Hardin, Logan | 41 min |
| Mar 11, 10:29 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Marion, Morrow, Seneca, Wyandot | 61 min |
| Mar 11, 10:46 AM EDT | Severe Thunderstorm Warning | CLE | Hancock, Sandusky, Seneca, Wood | 44 min |
| Mar 11, 11:04 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Huron, Ottawa, Richland | 56 min |
| Mar 11, 11:37 AM EDT | Severe Thunderstorm Warning | CLE | Ashland, Erie, Lorain, Medina | 53 min |
| Mar 11, 11:57 AM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina, Summit, Wayne | 48 min |
| Mar 11, 12:00 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 30 min |
| Mar 11, 12:14 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 76 min |
| Mar 11, 1:46 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Monroe | 44 min |
| Mar 11, 1:58 PM EDT | Severe Thunderstorm Warning | ILN | Hocking, Pickaway, Ross | 47 min |
| Mar 11, 2:28 PM EDT | Severe Thunderstorm Warning | ILN | Hocking | 26 min |
| Mar 11, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Monroe, Muskingum, Noble | 25 min |
| Mar 11, 2:47 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry | 28 min |
| Mar 11, 3:21 PM EDT | Severe Thunderstorm Warning | RLX | Morgan | 9 min |
| Mar 11, 3:24 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Monroe, Noble | 21 min |
| Mar 11, 5:56 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 22 min |
| Mar 15, 11:51 PM EDT | Severe Thunderstorm Warning | IWX | Williams | 24 min |
| Mar 15, 11:52 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Darke, Preble | 38 min |
| Mar 16, 1:48 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Greene, Logan, Madison, Union | 42 min |
| Mar 16, 2:04 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Pike, Scioto | 41 min |
| Mar 16, 2:56 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Huron, Marion, Morrow, Richland and 1 more | 51 min |
| Mar 16, 3:15 AM EDT | Severe Thunderstorm Warning | CLE | Knox, Morrow | 45 min |
| Mar 16, 3:31 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 44 min |
| Mar 16, 3:59 AM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 46 min |
| Mar 16, 4:42 AM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 48 min |
| Mar 22, 5:02 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Licking | 43 min |
| Mar 22, 5:09 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking | 51 min |
| Mar 22, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison, Jefferson | 42 min |
| Mar 22, 5:34 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 27 min |
| Mar 22, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum | 39 min |
| Mar 22, 6:11 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Coshocton, Guernsey, Muskingum, Noble | 49 min |
| Mar 22, 6:37 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 38 min |
| Mar 22, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Monroe, Noble | 25 min |
| Mar 22, 7:48 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Mercer | 42 min |
| Mar 22, 8:04 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Wyandot | 41 min |
| Mar 22, 8:06 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking, Madison, Union | 39 min |
| Mar 22, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan | 46 min |
| Mar 22, 8:19 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Huron, Lorain, Medina, Richland, Wayne | 30 min |
| Mar 22, 8:21 PM EDT | Severe Thunderstorm Warning | IWX | Allen | 24 min |
| Mar 22, 8:23 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer | 37 min |
| Mar 22, 8:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Marion, Wyandot | 26 min |
| Mar 22, 8:32 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Portage, Stark, Summit, Wayne | 43 min |
| Mar 22, 8:34 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland, Wayne | 41 min |
| Mar 22, 8:34 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 41 min |
| Mar 22, 8:42 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Knox, Wayne | 48 min |
| Mar 22, 8:44 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby | 31 min |
| Mar 22, 8:45 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 15 min |
| Mar 22, 8:51 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum, Tuscarawas | 39 min |
| Mar 22, 8:52 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Marion, Morrow, Richland | 38 min |
| Mar 22, 8:55 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Union | 35 min |
| Mar 22, 8:58 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Marion, Morrow | 32 min |
| Mar 22, 9:03 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox, Stark, Wayne | 42 min |
| Mar 22, 9:05 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer, Shelby | 25 min |
| Mar 22, 9:09 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Hardin, Logan, Miami, Shelby and 1 more | 36 min |
| Mar 22, 9:23 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Morrow | 39 min |
| Mar 22, 9:24 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas | 51 min |
| Mar 22, 9:27 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Darke, Logan, Mercer, Miami and 1 more | 48 min |
| Mar 22, 9:38 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Delaware, Logan, Madison, Union | 52 min |
| Mar 22, 9:51 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 24 min |
| Mar 22, 9:52 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum, Tuscarawas | 38 min |
| Mar 22, 9:55 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Logan, Miami, Shelby | 35 min |
| Mar 22, 9:59 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 16 min |
| Mar 22, 10:01 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 29 min |
| Mar 22, 10:03 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Madison, Union | 27 min |
| Mar 22, 10:11 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison, Jefferson | 21 min |
| Mar 22, 10:24 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Licking | 51 min |
| Mar 22, 10:27 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Franklin, Madison, Pickaway, Union | 48 min |
| Mar 22, 10:37 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 38 min |
| Mar 22, 10:44 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum, Noble | 23 min |
| Mar 22, 11:02 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Hocking, Licking, Pickaway, Ross | 43 min |
| Mar 22, 11:22 PM EDT | Severe Thunderstorm Warning | ILN | Clermont, Hamilton | 23 min |
| Mar 26, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 25 min |
| Mar 26, 5:32 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Sandusky, Wood | 43 min |
| Mar 26, 6:20 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 40 min |
| Mar 26, 6:35 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Williams | 25 min |
| Mar 26, 6:42 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Portage, Summit | 32 min |
| Mar 26, 6:55 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Williams | 50 min |
| Mar 26, 7:06 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 39 min |
| Mar 26, 7:14 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Sandusky, Wood | 46 min |
| Mar 26, 7:24 PM EDT | Severe Thunderstorm Warning | IWX | Henry, Putnam | 21 min |
| Mar 26, 7:26 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Lucas, Sandusky, Seneca, Wood, Wyandot | 49 min |
| Mar 26, 7:44 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer, Shelby | 46 min |
| Mar 26, 7:44 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 46 min |
| Mar 26, 7:53 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Trumbull | 39 min |
| Mar 26, 7:57 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Erie, Huron, Lorain, Ottawa, Sandusky and 1 more | 42 min |
| Mar 26, 8:03 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 28 min |
| Mar 26, 8:06 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Huron, Marion, Morrow, Richland and 3 more | 54 min |
| Mar 26, 8:18 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan, Shelby, Union | 42 min |
| Mar 26, 8:20 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 40 min |
| Mar 26, 8:24 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison, Jefferson, Tuscarawas | 51 min |
| Mar 26, 8:27 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby | 48 min |
| Mar 26, 8:54 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Darke, Logan, Miami, Montgomery and 2 more | 51 min |
| Mar 26, 9:05 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum, Tuscarawas | 40 min |
| Mar 26, 9:08 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison, Jefferson | 44 min |
| Mar 26, 9:38 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Coshocton, Guernsey, Harrison, Muskingum, Noble and 1 more | 35 min |
| Mar 26, 10:13 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Monroe, Muskingum, Noble | 47 min |
| Mar 31, 2:43 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding, Williams | 47 min |
| Mar 31, 3:10 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Henry | 35 min |
| Mar 31, 3:25 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Lucas, Wood | 50 min |
| Mar 31, 3:46 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Sandusky, Wood | 59 min |
| Mar 31, 3:59 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Hancock, Huron, Ottawa, Sandusky, Seneca and 1 more | 46 min |
| Mar 31, 4:40 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Crawford, Cuyahoga, Erie, Huron, Lorain and 4 more | 50 min |
| Mar 31, 5:25 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Cuyahoga, Geauga, Lake, Lorain, Medina and 4 more | 50 min |
| Mar 31, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Cuyahoga, Geauga, Lake, Portage, Summit and 1 more | 48 min |
| Mar 31, 7:03 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding, Putnam | 27 min |
| Mar 31, 7:15 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Erie, Geauga, Lake, Lorain, Medina and 1 more | 45 min |
| Mar 31, 7:15 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 22 min |
| Mar 31, 7:27 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Henry, Paulding, Putnam | 33 min |
| Mar 31, 7:48 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Sandusky, Seneca, Wood | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Muskingum County14
- Guernsey County14
- Logan County13
- Darke County12
- Shelby County12
- Auglaize County11
- Licking County10
- Coshocton County10
- Sandusky County10
- Jefferson County9
- Tuscarawas County9
- Noble County9
- Champaign County9
- Hancock County9
- Seneca County9
- Harrison County8
- Belmont County8
- Mercer County8
- Wood County8
- Lorain County8
- Medina County8
- Wayne County8
- Union County8
- Clark County7
- Crawford County7
- Morrow County7
- Erie County7
- Huron County7
- Richland County7
- Delaware County7
- Columbiana County6
- Marion County6
- Ottawa County6
- Ashland County6
- Cuyahoga County6
- Summit County6
- Knox County6
- Franklin County6
- Portage County6
- Fairfield County5
39 more counties
- Trumbull County5
- Perry County5
- Carroll County5
- Williams County5
- Putnam County5
- Preble County5
- Hardin County5
- Miami County5
- Wyandot County5
- Monroe County5
- Madison County5
- Lucas County5
- Defiance County5
- Pickaway County4
- Ashtabula County4
- Morgan County4
- Van Wert County4
- Allen County4
- Henry County4
- Geauga County4
- Hocking County3
- Stark County3
- Holmes County3
- Paulding County3
- Lake County3
- Montgomery County2
- Ross County2
- Adams County2
- Scioto County2
- Lawrence County2
- Mahoning County2
- Fulton County2
- Athens County1
- Butler County1
- Greene County1
- Brown County1
- Pike County1
- Clermont County1
- Hamilton 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.