Alert archive / Ohio / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Ohio, May 2026
37 severe thunderstorm warnings in May 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 May 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 37
- Busiest day
- May 19, 202615 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 |
|---|---|---|---|---|
| May 5, 8:11 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 30 min |
| May 5, 8:40 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 50 min |
| May 9, 6:08 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Erie, Geauga, Lake, Lorain | 52 min |
| May 9, 7:40 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 35 min |
| May 13, 2:15 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Jefferson | 45 min |
| May 18, 3:17 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Williams | 43 min |
| May 18, 3:34 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding | 17 min |
| May 18, 3:56 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Williams | 22 min |
| May 18, 4:09 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 81 min |
| May 18, 4:25 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Mercer | 20 min |
| May 19, 4:24 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Meigs, Vinton | 21 min |
| May 19, 4:52 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding, Putnam | 23 min |
| May 19, 5:10 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Henry, Paulding, Putnam | 23 min |
| May 19, 5:12 PM EDT | Severe Thunderstorm Warning | IWX | Paulding, Van Wert | 20 min |
| May 19, 5:24 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Henry | 19 min |
| May 19, 5:41 PM EDT | Severe Thunderstorm Warning | IWX | Putnam | 34 min |
| May 19, 5:42 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wood | 51 min |
| May 19, 6:10 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 50 min |
| May 19, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Ottawa, Sandusky | 50 min |
| May 19, 6:31 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Montgomery, Preble, Shelby | 44 min |
| May 19, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe, Noble | 27 min |
| May 19, 6:56 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Logan, Miami, Shelby | 49 min |
| May 19, 7:10 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Preble | 50 min |
| May 19, 7:39 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Greene, Montgomery, Preble, Warren | 51 min |
| May 19, 7:49 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Delaware, Franklin, Logan, Madison, Union | 41 min |
| May 19, 8:11 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Clinton, Fayette, Greene, Madison | 49 min |
| May 19, 8:25 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking, Madison, Union | 65 min |
| May 19, 8:39 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Madison, Pickaway | 51 min |
| May 19, 9:10 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Licking, Pickaway | 50 min |
| May 19, 9:42 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 48 min |
| May 19, 10:27 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 48 min |
| May 20, 7:05 AM EDT | Severe Thunderstorm Warning | ILN | Franklin | 25 min |
| May 20, 3:20 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 25 min |
| May 27, 11:49 AM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking | 41 min |
| May 27, 11:56 AM EDT | Severe Thunderstorm Warning | RLX | Perry | 34 min |
| May 27, 12:30 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 30 min |
| May 27, 4:02 PM EDT | Severe Thunderstorm Warning | RLX | Gallia | 28 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Defiance County5
- Franklin County5
- Paulding County4
- Preble County4
- Madison County4
- Perry County4
- Henry County3
- Darke County3
- Putnam County3
- Columbiana County2
- Erie County2
- Williams County2
- Fulton County2
- Wood County2
- Gallia County2
- Miami County2
- Montgomery County2
- Shelby County2
- Champaign County2
- Clark County2
- Logan County2
- Butler County2
- Greene County2
- Delaware County2
- Union County2
- Fayette County2
- Licking County2
- Pickaway County2
- Fairfield County2
- Morgan County2
- Carroll County1
- Cuyahoga County1
- Geauga County1
- Lake County1
- Lorain County1
- Trumbull County1
- Belmont County1
- Jefferson County1
- Lucas County1
- Mercer 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. Rebuilt daily.