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Flash Flood — Shelby, OH

Jul 27, 2025

A weak cold front sagged south through the Great Lakes region, stalling out as a stationary front through the Ohio Valley. This boundary, combined with a very warm and humid airmass, sparked showers and thunderstorms throughout the afternoon and into the evening hours on the 27th. Some of these storms produced damaging winds and heavy rainfall, which lead to instances of flash flooding.

Source: NOAA National Weather Service Storm Events Database (event 1267765). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Shelby, OH

This event is one of many recorded floods in Shelby County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flash Flood

Shelby, OH · Jul 27, 2025

A weak cold front sagged south through the Great Lakes region, stalling out as a stationary front through the Ohio Valley. This boundary, combined with a very warm and humid airmass, sparked showers and thunderstorms throughout the afternoon and into the evening hours on the…

Read the full account →
Flash Flood5 deaths$10.0M damage

Noble, OH · Jun 27, 1998

Another round of thunderstorms starting on the evening of the 27th created widespread flash flooding throughout Noble County. These floods caused five deaths during the evening of the 27th and early morning hours of the 28th.

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Flash Flood3 deaths$3.0M damage

Brown, OH · Jul 18, 2015

Showers and thunderstorms developed during the evening hours across the Ohio Valley in association with an upper level disturbance that was moving through the region. The thunderstorms continued into the early morning hours of July 19th before tapering off.

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Flood2 deaths$20K damage

Scioto, OH · Feb 20, 2000

Heavy rainfall caused the Ohio River at Portsmouth to overflow its banks. The river crested at 52 feet at 730 am on the 21st. Flood stage is 50 feet. Low land flooding occurred along the river in South Portsmouth.

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