Alert archive / Ohio / Severe Thunderstorm Watches / 2026
Severe Thunderstorm Watches in Ohio, March 2026
8 severe thunderstorm watches 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in March 2026. Tap one for its archive.
- Severe Thunderstorm Watches
- 8
- Busiest day
- March 31, 20264 severe thunderstorm watches
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 15, 6:42 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 6 hr |
| Mar 15, 11:53 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Auglaize, Brown, Butler, Champaign, Clark and 29 more | 4 hr |
| Mar 22, 3:44 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 8 hr |
| Mar 22, 5:39 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Ashland, Athens, Auglaize, Brown, Butler and 48 more | 6 hr |
| Mar 31, 10:25 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 6 hr |
| Mar 31, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 8 hr |
| Mar 31, 6:01 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Defiance, Fulton, Hardin, Henry and 5 more | 5 hr |
| Mar 31, 6:26 PM EDT | Severe Thunderstorm Watch | SPC | Carroll, Columbiana | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allen County3
- Defiance County3
- Fulton County3
- Henry County3
- Paulding County3
- Putnam County3
- Van Wert County3
- Williams County3
- Auglaize County3
- Hardin County3
- Mercer County3
- Adams County2
- Brown County2
- Butler County2
- Champaign County2
- Clark County2
- Clermont County2
- Clinton County2
- Darke County2
- Delaware County2
- Fairfield County2
- Fayette County2
- Franklin County2
- Greene County2
- Hamilton County2
- Highland County2
- Hocking County2
- Jackson County2
- Licking County2
- Logan County2
- Madison County2
- Miami County2
- Montgomery County2
- Pickaway County2
- Pike County2
- Preble County2
- Ross County2
- Scioto County2
- Shelby County2
- Union County2
47 more counties
- Vinton County2
- Warren County2
- Carroll County2
- Columbiana County2
- Ashland County2
- Crawford County2
- Hancock County2
- Holmes County2
- Knox County2
- Mahoning County2
- Marion County2
- Medina County2
- Morrow County2
- Portage County2
- Richland County2
- Stark County2
- Summit County2
- Wayne County2
- Wyandot County2
- Lawrence County1
- Belmont County1
- Coshocton County1
- Guernsey County1
- Harrison County1
- Jefferson County1
- Monroe County1
- Muskingum County1
- Noble County1
- Tuscarawas County1
- Athens County1
- Meigs County1
- Morgan County1
- Perry County1
- Washington County1
- Ashtabula County1
- Cuyahoga County1
- Erie County1
- Geauga County1
- Huron County1
- Lake County1
- Lorain County1
- Lucas County1
- Ottawa County1
- Sandusky County1
- Seneca County1
- Trumbull County1
- Wood 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.