Weather alerts in Ohio, 2025
2,951 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 2,951
- Warnings
- 1,100
- Watches
- 111
- Advisories
- 520
- Busiest month
- June569 alerts
- Busiest day
- May 2, 2025108 alerts
Over time
By month
The alerts
2,951 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Warren County181
- Ross County170
- Lawrence County169
- Washington County167
- Clinton County166
- Athens County163
- Gallia County162
- Clermont County161
- Brown County160
- Fayette County158
- Licking County158
- Highland County157
- Butler County156
- Summit County155
- Franklin County155
- Greene County155
- Hamilton County154
- Meigs County154
- Trumbull County153
- Perry County153
- Fairfield County152
- Pickaway County152
- Geauga County150
- Medina County149
- Cuyahoga County147
- Portage County146
- Clark County146
- Montgomery County146
- Adams County146
- Hocking County145
- Madison County143
- Miami County142
- Ashland County141
- Morgan County140
- Delaware County139
- Vinton County138
- Lorain County138
- Richland County138
- Wayne County138
- Ashtabula County136
48 more counties
- Jefferson County135
- Scioto County135
- Stark County134
- Jackson County133
- Harrison County132
- Tuscarawas County132
- Darke County131
- Morrow County131
- Pike County130
- Holmes County129
- Belmont County127
- Columbiana County126
- Shelby County126
- Union County124
- Champaign County123
- Preble County123
- Carroll County122
- Lake County121
- Logan County121
- Knox County120
- Noble County118
- Coshocton County117
- Guernsey County115
- Seneca County114
- Monroe County113
- Muskingum County113
- Crawford County113
- Huron County112
- Mahoning County110
- Marion County109
- Hardin County106
- Erie County106
- Wyandot County103
- Auglaize County101
- Van Wert County93
- Defiance County93
- Paulding County93
- Mercer County92
- Sandusky County92
- Wood County91
- Lucas County89
- Putnam County89
- Hancock County88
- Williams County88
- Allen County86
- Fulton County84
- Henry County82
- Ottawa County81
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.