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NWS Wilmington OHFF.W 0095September 20, 2026

Flash Flood Warning: Greene and Montgomery, OH

The National Weather Service office in Wilmington issued a flash flood warning for Greene and Montgomery in Ohio, which was in force until 11:45 p.m. local time on September 20. It was the 95th flash flood warning the NWS office in Wilmington issued in 2026. Ohio had 62 flash flood warnings in September 2026, against 3 in an average September of 2008-2025 (Ohio's flash flood warnings by year).

ExpiredWarning

Issued9:10 p.m. EDT, September 20, 2026
In force9:10 p.m. EDT, September 20, 2026
Expired11:45 p.m. EDT, September 20, 2026

In force for 2.6 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Wilmington OH
Area
Greene and Montgomery
State
Ohio
Level
Warning
Issued
9:10 p.m. EDT, September 20, 2026
Expires
11:45 p.m. EDT, September 20, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KILN FF.W 0095
Official source
National Weather Service: the notice at its source

Flash Flood Warnings in Ohio since 2008Every warning type in Ohio

Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The notice as issued

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.

What the agency told people to do

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.

Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.

The record around this notice