National Weather Service United States Department of Commerce

Heat index values will reach the mid to upper 90s across the region. Some spots may rise to around 100F. Be sure to stay hydrated, wear light-weight and loose fitting clothing, and take frequent breaks if you're working outside! https://www.weather.gov/safety/heat
A broken line of showers and thunderstorms are expected late Wednesday afternoon into the overnight hours, with storms continuing into Thursday. A few severe storms are possible Wednesday afternoon and evening hours, with damaging wind gusts as the main threat. Repeated rounds of rainfall may lead to flooding, especially Wednesday night and Thursday.
A very slow moving cold front will sag through the region Wednesday overnight through Thursday daytime hours. Rounds of showers and thunderstorms are expected, with the possibility of some strong storms Wednesday evening. With the slow moving nature of the front, repeated rounds of rainfall are likely, introducing a flooding threat across the region, particularly Wednesday overnight and Thursday daytime hours.