Our heat Advisory finally expired this evening after three straight days of 90° temperatures and triple digit heat indices that pushed those "feels like" temperatures above 110° at times. All of that lingering heat and humidity however is fueling the development of additional thunderstorms this evening across portions of the Tri-State, prompting the National Weather Service to issue a Severe Thunderstorm Watch for the western half of the region through 1AM. After seeing our hottest temperature of the month thus far (93°), the mercury will fall toward 75° by 10PM before dipping to just 73° around sunrise Friday.
We're tracking an inbound cold front that is expected to finally bring about an end to this oppressive heat; it will however, also produce showers and thunderstorms throughout our morning and afternoon before any of that heat subsides. In fact, we're still looking at a high temperature of 90° tomorrow in the River City - it will be that heat and humidity in conjunction with that cold front that will give way to potentially Severe storms Friday. The greatest potential threat from tomorrow's anticipated storms will be damaging straight-line winds in excess of 60 mph.
Once the storms subside, cooler and drier air will begin to return to the Tri-State - while temperatures will only fall as low as 70° along the Ohio Saturday morning, afternoon highs later that day will only reach the mid 80s. Our afternoon high of 85° will mark our coolest since this past Monday. Better yet, the cooler air mass flowing in behind the passing cold front will make for not only a cooler day Saturday, but a more comfortable one as well. Due point values on both Saturday and Sunday will barely climb above 60° - compare that to our due points nearing 80° earlier this week and this weekend ahead will feel like a different season altogether.