The National Weather Service issued a flash flood warning at 7 p.m. on Saturday in effect until 10 p.m. for Armstrong, Indiana and Westmoreland counties.

In an advisory, the NWS warned that portions of the three states are under flash flood warnings due to expected thunderstorms that will bring heavy rain.

For the remainder of today, we will be on the storm watch. There is a chance for severe storms until roughly 9pm, especially south of Chicago. If we have a severe storm, all threats are possible including torrential rain, tornadoes, and damaging wind.

The warning was issued for Leavenworth County. "The heavy rain has ended. Flash Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures," according to the National Weather Service. The warning is in effect until 8:30 a.m.

The National Weather Service released a flash flood warning at 8:38 a.m. on Friday in effect until 11:30 a.m. for Greene County.

Storm Center 7’s Ryan Marando said there is another chance for thunderstorms in the Miami Valley Sunday afternoon. Isolated strong storms are also possible. The main threat here will be heavy downpours and gusty winds. High temperatures will be in the upper 80s to 90, with a heat index close to 100.

The Links at Groveport sits near the Little Walnut Creek which has flooded before. But it has never seen four inches in an hour.

The National Weather Service (NWS) issued a flash flood warning for key parts of Chicago on Friday, urging approximately 600,000 residents to take immediate action to protect life and property.