Indiana, Ohio Severe Flash Flood Warning | Effective 07/21/2026 11:46

Headline: 
Flash Flood Warning issued July 21 at 2:46PM EDT until July 21 at 5:45PM EDT by NWS Wilmington OH
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 11:46am
Expires: 
July 21, 2026 - 2:45pm
Description: 
FFWILN The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Northeastern Dearborn County in southeastern Indiana... Central Hamilton County in southwestern Ohio... * Until 545 PM EDT. * At 246 PM EDT, radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Cincinnati, Norwood, Blue Ash, Reading, Harrison, North College Hill, Madeira, Wyoming, Cheviot, Mount Healthy, Deer Park, Finneytown, Hidden Valley, Bright, Cleves and Taylor Creek. Law enforcement reports that street flooding is already occurring.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. To report flash flooding, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely.
Area Description: 
Dearborn, IN; Hamilton, OH
Forcast Office: 
NWS Wilmington OH