Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 20 at 9:10PM EDT until September 20
Affecting Greene, OH; Montgomery, OH
In effect until: Sep 21, 2026, 3:45 AM
Greene, OH; Montgomery, OH
Likely impact across 2 counties in OH; effects through 3:45 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... West Central Greene County in west central Ohio... Southern Montgomery County in west central Ohio... * Until 1145 PM EDT. * At 910 PM EDT, radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches 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... Dayton, Kettering, Beavercreek, Trotwood, Miamisburg, Bellbrook, Moraine, Oakwood, West Carrollton, Riverside, Germantown, New Lebanon, Farmersville, Centerville, Drexel, Woodbourne-Hyde Park and Overlook-Page Mano. This includes I-75 in Ohio between mile markers 43 and 54.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™