The severe thunderstorm that moved through the area developed the capacity to produce a Tornado beginning near Brookville, according to NWS.
The National Weather Service issued a Tornado Warning for Darke, Miami, Montgomery, Preble, Shelby counties, in effect until 11:30 p.m.
A Tornado Watch is in effect until midnight for portions of western Indiana as well as Butler and Hamilton counties, according to the National Weather Service.
A line of strong thunderstorms will affect Shelby, Mercer, northwestern Logan, northern Darke and Auglaize counties through 10:30 p.m., according to NWS.
Wind gusts have been recorded at 50 mph and there's very heavy rain associated with the storms.
A Severe Thunderstorm Watch is in effect until 4 a.m. for the entire Miami Valley as well as Butler and Warren counties.
NWS also issued a wind advisory for the region from 10 tonight until 6 p.m. Friday.
Randolph County, Ind. is under a Flood Warning in effect until 8 a.m.
Flood advisories have been issued for Wayne County, Ind., southern Darke County and northern Preble County.
Areas seeing minor flooding include Eaton, Greenville, Richmond, Arcanum, Cambridge City, Centerville and Hagerstown in Indiana, Lewisburg and New Paris.
According to NWS, water is flowing over roadways and residents in the advisory areas should look out for flooding in low-lying areas, poorly-drained streets, highways and underpasses.
Incoming rain could cause more serious flooding in the advisory area.
According to Storm Center 7 Chief Meteorologist Jamie Simpson, the time frame for the worst of the storms will be 8 p.m. to 12 a.m.
Flooding is still a threat overnight. Winds will still stay gusty for a few hours after midnight in the range of 40 mph, and that might be enough for power outages in spots that do not get strong winds in the evening. We'll fall to about freezing, but the winds should dry roads out.
Friday, early clouds should give way to sun as temperatures are expected to rise to the low 40s in the afternoon.
Saturday will start off sunny with clouds working in later in the day. Highs will reach the low to mid-40s.
A weak system is expected to arrive Saturday night with the chance for a few, light rain or snow showers.
Sunday will be partly sunny and colder with highs in the mid-30s.