Ohio Severe Flash Flood Warning | Effective 09/17/2026 05:26

Headline: 
Flash Flood Warning issued September 17 at 8:26AM EDT until September 17 at 11:00AM EDT by NWS Wilmington OH
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 17, 2026 - 5:26am
Expires: 
September 17, 2026 - 8:00am
Description: 
FFWILN The National Weather Service in Wilmington has extended the * Flash Flood Warning for... Northwestern Auglaize County in west central Ohio... Mercer County in west central Ohio... * Until 1100 AM EDT. * At 826 AM 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... Celina, St. Marys, Coldwater, New Bremen, Rockford, Wabash, Mendon, Chickasaw, Montezuma, Tama, Neptune, Carthagena, Bulkhead, State Route 116 at State Route 197, Chattanooga and Kossuth.
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: 
Auglaize, OH; Mercer, OH
Forcast Office: 
NWS Wilmington OH
Sender: 
w-nws.webmaster@noaa.gov