Ohio Severe Flash Flood Warning | Effective 09-19-2026 22:54

Headline: 
Flash Flood Warning issued September 20 at 1:54AM EDT until September 20 at 5:00AM EDT by NWS Wilmington OH
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 19, 2026 - 10:54pm
Expires: 
September 20, 2026 - 2:00am
Description: 
FFWILN The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Southwestern Clinton County in southwestern Ohio... Southern Warren County in southwestern Ohio... * Until 500 AM EDT. * At 154 AM EDT, radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that may experience flash flooding include... Mason, Lebanon, Monroe, Loveland, Blanchester, Morrow, Kings Island, Highpoint, South Lebanon, Maineville, Clarksville, Midland, Butlerville, Pleasant Plain, State Route 123 at State Route 132, Middleboro, Fort Ancient, Dallasburg, State Route 350 at US Route 22 and Murdock.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 5:00 AM EDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 5:00 AM EDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Clinton, OH; Warren, OH
Forcast Office: 
NWS Wilmington OH
Sender: 
w-nws.webmaster@noaa.gov