Alert archive / Ohio / Flash Flood Warnings / 2026
Flash Flood Warnings in Ohio, July 2026
60 flash flood warnings in July 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2026. Tap one for its archive.
- Flash Flood Warnings
- 60
- Busiest day
- July 21, 202617 flash flood 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 |
|---|---|---|---|---|
| Jul 4, 8:17 PM EDT | Flash Flood Warning | PBZ | Monroe, Noble | 3 hr |
| Jul 4, 8:35 PM EDT | Flash Flood Warning | ILN | Preble | 3 hr |
| Jul 4, 9:51 PM EDT | Flash Flood Warning | RLX | Morgan | 3 hr |
| Jul 5, 2:08 PM EDT | Flash Flood Warning | CLE | Mahoning, Trumbull | 3 hr |
| Jul 5, 3:14 PM EDT | Flash Flood Warning | PBZ | Monroe, Noble | 2 hr |
| Jul 5, 4:01 PM EDT | Flash Flood Warning | PBZ | Carroll, Columbiana, Jefferson | 2 hr |
| Jul 5, 5:34 PM EDT | Flash Flood Warning | PBZ | Tuscarawas | 101 min |
| Jul 5, 7:20 PM EDT | Flash Flood Warning | CLE | Ashland, Crawford, Richland | 3 hr |
| Jul 5, 9:35 PM EDT | Flash Flood Warning | CLE | Erie, Huron | 3 hr |
| Jul 6, 12:43 AM EDT | Flash Flood Warning | CLE | Erie | 5 hr |
| Jul 6, 7:56 AM EDT | Flash Flood Warning | CLE | Lucas, Ottawa | 6 hr |
| Jul 6, 10:43 AM EDT | Flash Flood Warning | CLE | Lucas, Ottawa | 6 hr |
| Jul 6, 11:25 AM EDT | Flash Flood Warning | CLE | Ottawa | 5 hr |
| Jul 6, 1:12 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Jul 6, 1:14 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lake | 4 hr |
| Jul 6, 1:42 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga | 2 hr |
| Jul 6, 2:47 PM EDT | Flash Flood Warning | CLE | Cuyahoga | 42 min |
| Jul 6, 9:37 PM EDT | Flash Flood Warning | RLX | Perry | 3 hr |
| Jul 10, 12:51 PM EDT | Flash Flood Warning | PBZ | Belmont, Guernsey | 3 hr |
| Jul 10, 3:55 PM EDT | Flash Flood Warning | PBZ | Carroll, Columbiana, Jefferson | 3 hr |
| Jul 10, 4:51 PM EDT | Flash Flood Warning | ILN | Delaware, Franklin | 3 hr |
| Jul 10, 5:02 PM EDT | Flash Flood Warning | PBZ | Harrison, Tuscarawas | 3 hr |
| Jul 10, 5:11 PM EDT | Flash Flood Warning | CLE | Portage, Summit | 114 min |
| Jul 10, 5:27 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jul 10, 8:34 PM EDT | Flash Flood Warning | ILN | Hocking, Ross | 2 hr |
| Jul 10, 8:42 PM EDT | Flash Flood Warning | RLX | Vinton | 2 hr |
| Jul 11, 12:22 PM EDT | Flash Flood Warning | ILN | Darke, Preble | 3 hr |
| Jul 11, 12:51 PM EDT | Flash Flood Warning | ILN | Clinton, Fayette, Highland | 3 hr |
| Jul 11, 1:23 PM EDT | Flash Flood Warning | ILN | Clinton, Warren | 3 hr |
| Jul 11, 1:23 PM EDT | Flash Flood Warning | RLX | Athens, Morgan, Perry, Washington | 3 hr |
| Jul 11, 1:52 PM EDT | Flash Flood Warning | PBZ | Noble | 2 hr |
| Jul 11, 2:38 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jul 11, 5:56 PM EDT | Flash Flood Warning | ILN | Hocking | 86 min |
| Jul 12, 6:53 PM EDT | Flash Flood Warning | RLX | Washington | 2 hr |
| Jul 17, 4:42 PM EDT | Flash Flood Warning | ILN | Clermont, Hamilton, Warren | 3 hr |
| Jul 17, 5:30 PM EDT | Flash Flood Warning | ILN | Hamilton | 9 hr |
| Jul 17, 5:56 PM EDT | Flash Flood Warning | ILN | Clermont, Hamilton | 5 hr |
| Jul 18, 3:45 PM EDT | Flash Flood Warning | RLX | Athens, Vinton | 2 hr |
| Jul 18, 4:19 PM EDT | Flash Flood Warning | RLX | Washington | 4 hr |
| Jul 18, 5:19 PM EDT | Flash Flood Warning | ILN | Scioto | 3 hr |
| Jul 18, 7:42 PM EDT | Flash Flood Warning | PBZ | Carroll, Harrison, Jefferson | 2 hr |
| Jul 21, 12:32 PM EDT | Flash Flood Warning | RLX | Athens | 4 hr |
| Jul 21, 12:48 PM EDT | Flash Flood Warning | RLX | Washington | 4 hr |
| Jul 21, 1:18 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jul 21, 2:30 PM EDT | Flash Flood Warning | PBZ | Belmont, Guernsey, Monroe, Noble | 6 hr |
| Jul 21, 2:37 PM EDT | Flash Flood Warning | PBZ | Guernsey, Muskingum, Noble | 9 hr |
| Jul 21, 2:46 PM EDT | Flash Flood Warning | ILN | Hamilton | 2 hr |
| Jul 21, 2:56 PM EDT | Flash Flood Warning | PBZ | Belmont | 5 hr |
| Jul 21, 3:37 PM EDT | Flash Flood Warning | ILN | Brown, Clermont, Hamilton | 2 hr |
| Jul 21, 3:37 PM EDT | Flash Flood Warning | RLX | Perry | 4 hr |
| Jul 21, 3:54 PM EDT | Flash Flood Warning | ILN | Fairfield, Licking | 61 min |
| Jul 21, 3:59 PM EDT | Flash Flood Warning | PBZ | Monroe, Noble | 8 hr |
| Jul 21, 3:59 PM EDT | Flash Flood Warning | RLX | Morgan, Perry, Washington | 4 hr |
| Jul 21, 4:15 PM EDT | Flash Flood Warning | RLX | Washington | 4 hr |
| Jul 21, 4:50 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jul 21, 5:01 PM EDT | Flash Flood Warning | ILN | Adams, Scioto | 63 min |
| Jul 21, 5:12 PM EDT | Flash Flood Warning | RLX | Lawrence | 3 hr |
| Jul 21, 6:39 PM EDT | Flash Flood Warning | RLX | Lawrence | 3 hr |
| Jul 28, 6:59 AM EDT | Flash Flood Warning | RLX | Gallia, Jackson, Lawrence | 3 hr |
| Jul 28, 7:49 AM EDT | Flash Flood Warning | RLX | Lawrence | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County9
- Noble County6
- Hamilton County5
- Monroe County4
- Jefferson County4
- Perry County4
- Lawrence County4
- Morgan County3
- Carroll County3
- Erie County3
- Ottawa County3
- Cuyahoga County3
- Belmont County3
- Guernsey County3
- Athens County3
- Clermont County3
- Preble County2
- Columbiana County2
- Tuscarawas County2
- Lucas County2
- Harrison County2
- Hocking County2
- Vinton County2
- Clinton County2
- Warren County2
- Scioto County2
- Mahoning County1
- Trumbull County1
- Ashland County1
- Crawford County1
- Richland County1
- Huron County1
- Lake County1
- Geauga County1
- Delaware County1
- Franklin County1
- Portage County1
- Summit County1
- Ross County1
- Darke 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.