The combination of heat and humidity pushed the heat index to 100 this afternoon or the first time in this summer, which fueled storms in advance of a weak cold front and upper-air impulse.

Low pressure over southeastern Canada with a trailing front triggered gusty storms, bringing much-needed rain in some places–but not everywhere–given the scattered nature on radar.

Evening activity will move off to the southeast and weaken, with a few showers lingering until about midnight, as a the cold fronts sags south of central Ohio.

The frontal boundary will likely stall over northern Kentucky Monday, where the better focus for storms will exist tomorrow. Temperatures and humidity levels will dip a bit the next couple of days, but still expect above-normal temperatures, until a stronger cold front arrives later in the week. Storms are likely again late Tuesday into Wednesday.

Forecast

Tonight: Mostly cloudy later. Low 74
Monday: Mostly sunny, puffy clouds, warm. High 90
Tuesday: Partly sunny, scattered storms p.m.. High 90 (72)
Wednesday: Showers and storms likely. High 89 (71)
Thursday: Showers linger, late clearing. High 85 (69)
Friday: Mostly sunny, less humid. High 87 (67)