A flood warning has been issued for Butler and Warren counties early Thursday due to excessive rainfall.
Between 1.5 and 2.5 inches of rain have fallen in the affected areas Aug. 20, which include northeastern Butler County and northern Warren County, according to the National Weather Service in Wilmington. However, no additional rainfall is expected.
The warning is in effect until 10:15 a.m.
The heavy rain has ended and lingering lighter rainfall will diminish later this morning. However, the flooding generated by the heavy rain overnight will continue. pic.twitter.com/DEav1aPFi4
— NWS Wilmington OH (@NWSILN) August 20, 2026
Some locations that may experience flooding in the area include Middletown, Lebanon, Springboro, Monroe, Trenton, Franklin, Carlisle, South Middletown and Waynesville,
according to the weather service.
A warning was also issued for areas near the Great Miami River around Middletown until Thursday afternoon. The river is expected to crest just above flood stage in the morning and fall back below by late morning.
At flood stage, water approaches structures south of Ohio 73 between Excello and the Great Miami River. This includes properties along Oxford Street.
Water rescues have been reported in central Ohio, which is experiencing heavy rain.
[3:00 AM] Slow moving downpours have moved northeast from Dayton into Columbus. Expect urban flooding as street drains struggles to keep up. Stay safe and avoid flood waters. pic.twitter.com/mOWMU74RVC
— NWS Wilmington OH (@NWSILN) August 20, 2026
Cincinnati area weather forecast
Thursday: Rain showers before 11 a.m, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Northwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday night: A chance of showers and thunderstorms before 8 p.m. Partly cloudy, with a low around 66. Northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Friday: A slight chance of showers and thunderstorms between 2 p.m and 3 p.m. Mostly sunny, with a high near 83. Northeast wind 0 to 3 mph. Chance of precipitation is 20%.
Friday night: Mostly clear, with a low around 65. North wind around 2 mph.
Saturday: A chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 83. West wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday night: A chance of showers and thunderstorms before 8 p.m. Partly cloudy, with a low around 62. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunday: Sunny, with a high near 79.
Sunday night: Mostly clear, with a low around 59.
Monday: Sunny, with a high near 79.
Monday night: Mostly clear, with a low around 59.
Tuesday: Sunny, with a high near 81.
Tuesday night: Partly cloudy, with a low around 62.
Wednesday: A slight chance of rain showers between 8 a.m and 2 p.m, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday night: A slight chance of showers and thunderstorms before 2 a.m. Partly cloudy, with a low around 65.
Source: National Weather Service in Wilmington
This article originally appeared on Cincinnati Enquirer: Flood warning issued for Butler, Warren counties after heavy rainfall
