Ohio Severe Flash Flood Warning | Effective 06/17/2026 22:43

Headline: 
Flash Flood Warning issued June 18 at 1:43AM EDT until June 18 at 5:00AM EDT by NWS Wilmington OH
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 10:43pm
Expires: 
June 18, 2026 - 2:00am
Description: 
FFWILN The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Northwestern Brown County in southwestern Ohio... Northern Clermont County in southwestern Ohio... * Until 500 AM EDT. * At 143 AM EDT, radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that may experience flash flooding include... Milford, Amelia, Mount Orab, New Richmond, Williamsburg, Batavia, Withamsville, Camp Dennison, Owensville, Newtonsville, Fayetteville, St. Martin, East Fork State Park, Bantam, Clermont County Airport, Locust Ridge, Lake Lorelei, Perintown, Willowville and Day Heights.
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: 
Brown, OH; Clermont, OH
Forcast Office: 
NWS Wilmington OH
Sender: 
w-nws.webmaster@noaa.gov