Alert archive / Ohio / Flash Flood Warnings / 2026
Flash Flood Warnings in Ohio, May 2026
15 flash flood 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in May 2026. Tap one for its archive.
- Flash Flood Warnings
- 15
- Busiest day
- May 24, 202610 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 |
|---|---|---|---|---|
| May 23, 7:28 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 3 hr |
| May 24, 4:53 PM EDT | Flash Flood Warning | RLX | Athens, Morgan, Perry | 4 hr |
| May 24, 5:03 PM EDT | Flash Flood Warning | RLX | Athens, Meigs | 4 hr |
| May 24, 5:17 PM EDT | Flash Flood Warning | RLX | Gallia, Jackson, Meigs, Vinton | 4 hr |
| May 24, 5:18 PM EDT | Flash Flood Warning | PBZ | Guernsey, Harrison, Muskingum, Noble | 5 hr |
| May 24, 5:32 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 3 hr |
| May 24, 5:56 PM EDT | Flash Flood Warning | PBZ | Harrison, Jefferson | 5 hr |
| May 24, 6:10 PM EDT | Flash Flood Warning | CLE | Richland | 2 hr |
| May 24, 6:11 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 3 hr |
| May 24, 6:49 PM EDT | Flash Flood Warning | PBZ | Belmont | 4 hr |
| May 24, 7:41 PM EDT | Flash Flood Warning | PBZ | Columbiana | 3 hr |
| May 26, 2:11 PM EDT | Flash Flood Warning | RLX | Meigs | 3 hr |
| May 27, 10:12 AM EDT | Flash Flood Warning | ILN | Fairfield, Franklin, Licking | 3 hr |
| May 27, 1:54 PM EDT | Flash Flood Warning | PBZ | Monroe, Noble | 3 hr |
| May 27, 4:33 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence, Meigs | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallia County5
- Lawrence County4
- Meigs County4
- Athens County2
- Harrison County2
- Noble County2
- Morgan County1
- Perry County1
- Jackson County1
- Vinton County1
- Guernsey County1
- Muskingum County1
- Jefferson County1
- Richland County1
- Belmont County1
- Columbiana County1
- Fairfield County1
- Franklin County1
- Licking County1
- Monroe 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.