Severe · Flash Flood WarningActive alert
Flash Flood Warning issued September 20 at 9:13PM EDT until September 21
Affecting Clinton, OH; Warren, OH
In effect until: Sep 21, 2026, 4:15 AM
Clinton, OH; Warren, OH
Likely impact across 2 counties in OH; effects through 4:15 AM.
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.
Read the original bulletin (official text)
FFWILN The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Northwestern Clinton County in southwestern Ohio... Northeastern Warren County in southwestern Ohio... * Until 1215 AM EDT. * At 913 PM EDT, radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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 may experience flash flooding include... Wilmington, Waynesville, Clarksville, Harveysburg, Corwin, Kingman, Oakland, Ogden, State Route 350 at US Route 22, Caesar Creek State Park, Cowan Lake State Park, Interstate 71 at US Route 68, Burtonville, Oregonia and Fort Ancient. This includes I-71 in Ohio between mile markers 33 and 56.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™